Organic materia medica : including the standard remedies of the leading pharmacopoeas as well as those articles of the newer materia medica ... and of the preparations made therefrom by Parke, Davis & Co. ... - Parke, Davis & Company ([s.n.], 1888)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1913)

Organographie der Pflanzen, insbesondere der Archegoniaten und Samenpflanzen - Goebel, K. (Karl), 1855 -1932 (G. Fischer, 1898)

Organography of plants, especially of the archegoniatae and spermaphyta - Goebel, K. (Karl), 1855 -1932 (Clar. Press, 1900)

Origin and history of all the pharmacopeial vegetable drugs, chemicals and preparations with bibliography... Prepared under the auspices of and pub. by the American drug manufacturers' association, Washington, D.C - Lloyd, John Uri, 1849 -1936 (The Caxton press, 1921)

The origin of life and process of reproduction in plants and animals : with the anatomy and physiology of the human generative system, male and female, and the causes, prevention and cure of the special diseases to which it is liable : a plain, practical treatise, for popular use - Hollick, Frederick, 1818 -1900 (David McKay, 1902)

L'origine et le développement des flores dans le massif central de France; avec aperçu sur les migrations des flores dans l'Europe sud-occidentale - Braun-Blanquet, J. (Josias), 1884 -1980 (L. Lhomme, 1923)

Florist's journal (How and Parsons, 1842)

Ornamental hardy plants of the better class : spring 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1906)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1916)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1912)

Ornamental nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Jewell Nursery Co, 1908)

Ornamental plants for the home grounds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shumaker's Birchmont Gardens, 1936)

Die Ostsudeten; eine floristische Skizze - Hruby, Johann. (Landesdurch-forschungs-Komemission, 1914)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1903)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1910)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1912)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1918)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1917)

Our 25th anniversary 1925-1950 : roses, chrysanthemums, perennials, annuals, vegetable plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Perkins Bros, 1950)

Our 36th year, 1949 : plant the best, "Burgess' blizzard belt bran", seeds, bulbs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burgess Seed and Plant Co, 1949)

Our Canadian prairies being a description of the most notable plants of Manitoba : the chief noxious weeds and how to destroy them, the trees and wild fruits, along with Arbor day exercises and poems - Bryce, George, 1844 -1931 (C.B. Robinson, 1895)

Our domestic animals in health and disease - Gamgee, John, 1831 -1894 (Maclachlan & Stewart, 1871)

Our early wild flowers a study of the herbaceous plants blooming in early spring in the northern states and Canada - Keeler, Harriet L. (Harriet Louise), 1846 -1921 (McClelland, Goodchild & Stewart, 1916)

Our garden favorites, spring - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Garden Studio, Inc, 1931)

Our nursery catalog : price list 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Klehms' Nurseries, Inc, 1927)

Our nursery catalog : price list 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Klehms' Nurseries, Inc, 1928)

Our seeds grow friends : spring 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Chas. McCullough Seed Co, 1933)

Outdoor studies. Poems - Higginson, Thomas Wentworth, 1823 -1911 (Houghton, Mifflin and company, 1900)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) - Leavitt, Robert Greenleaf, 1865 - (American Book Co, 1901)

Outlines of medical botany :comprising vegetable anatomy and physiology...and a glossary of terms - Reid, Hugo. (Maclachlan, Stewart & Co, 1896)

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1872)

Oversigt over det Kongelige Danske videnskabernes selskabs forhandlinger = Bulletin de l'Académie royale des sciences et des lettres de Danemark - Kongelige Danske videnskabernes selskab. (A.F. Høst, 1901)

P-W's fall bulbs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1939)

P-W's fall bulbs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Porter-Walton Co, 1940)

Packaged bulbs : packaged roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Growers Exchange Inc, 1959)

Palaeontographica Americana - Paleontological Research Institution (Ithaca, N.Y.) (Paleontological Research Institution, 1937)

Palisades perennials and rock-garden plants, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1931)

Palisades perennials and rock-garden plants, 1932 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1932)

Palisades perennials and rock-garden plants, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries, Inc, 1934)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1914)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1916)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1915)

Palisades popular perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palisades Nurseries Inc, 1917)

Palisades popular perennials : supplement of new, rare, and meritorious hardy plants 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Clucas, 1911)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1930)

Palmer's seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1931)

Palmer's seeds : 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1929)

Palmer's seeds, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1932)

Palmer's seeds, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Palmer Seed Company, 1935)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1885)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1887)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1889)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1890)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1892)

Pamietnik Fizyjograficzny (Druk K. Kowalewskiego, 1904)

Paradise Seed Co., 1948 : formerly Good Luck Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paradise Seed Co, 1948)

I parassiti vegetali delle piante coltivate od utili - Ferraris, Teodoro. (Sineo & Bo, 1913)

Park's 1940 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1940)

Park's 1941 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1941)

Park's 1944 flower book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1944)

Park's book of autumn for 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1953)

Park's book of autumn for 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1954)

Park's book of autumn : quality bulbs and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1940)

Park's book of autumn quality bulbs and seeds : fall 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1943)

Park's fall special : tulips, hyacinths, narcissus, crocus, peonies, iris : fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1938)

Park's flower book : choice dependable seeds 1868, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1950)

Park's flower book for 1951 : all the best of new & old : always dependable 1868-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George W. Park Seed Co, 1951)

Park's flower book for 1952 : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1952)

Park's flower book for 1953 : seeds, bulbs, plants : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1953)

Park's flower book for 1954 : seeds, bulbs, plants : "all the best of new and old" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1954)

Park's flower book for 1955 : "all the best of new and old" : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1955)

Park's flower book for 1957 : "all the best of new and old" in all the floral kingdom : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

Park's flower book for 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1958)

Park's flower book for 1959 : "all the best of new and old" in all the floral kingdom : seeds, bulbs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1959)

Park's flower book for autumn 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1955)

Park's flower book for autumn 1956 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1956)

Park's flower book for autumn 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

Park's flower book for autumn 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1958)

Park's flower book for autumn 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1959)

Park's flower book for florists, 1957 : "all the best of new and old" : wholesale price list (for florists and growers only) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1957)

Park's flower book for Spring 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1942)

Park's flower book of choice dependable seeds : 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1948)

Park's flower book of choice dependable seeds : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1949)

Park's flower book of choice dependable seeds : season of 1946 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1946)

Park's flower book : season 1938, 70th anniversary - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1938)

Park's flower book : season 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1939)

Park's flower book : spring 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1947)

Park's flower book : supplement 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1945)

Park's illustrated flower book of choice dependable seeds : season of 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1932)

Park's illustrated flower book of choice dependable seeds : season of 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1935)

Park's illustrated flower book of choice dependable seeds, season of 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1937)

Park's illustrated flower book of choice dependable seeds, season of 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1933)

Park's illustrated flower book of choice dependable seeds, season of 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Company, 1936)

Park's illustrated flower book of choice dependable seeds, season of 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1934)

Park's special fall catalog : quality bulbs and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park Seed Co, 1939)

Part first of a supplement to the Cybele Britannica : to be continued occasionally as a record of progressive knowledge concerning the distribution of plants in Britain - Watson, Hewett Cottrell, 1804 -1881 (Printed for private distribution, 1860)

Parte práctica de botánica del caballero Cárlos Linneo, que comprehende las clases, órdenes, géneros, especies y variedades de las plantas, con sus caracteres genéricos y especificos, sinónimos mas selectos, nombres triviales, lugares donde nacen, y propriedades - Linné, Carl von, 1707 -1778 (En la Imprenta Real, 1784)

Patsy's choice and rare alpines and perennials, potted and field grown : wholesale price list, fall 1934, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. & C. Hardy Plant Nursery, 1934)

Patsy's choice and rare alpines and perennials, potted and field grown : wholesale price list, spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D. & C. Hardy Plant Nursery, 1934)

Pearce Seed Co., rare plant nursery : offer no. 71, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1959)

Pearce seed company : rare plant nursery, offer no. 69, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1958)

Pearce seeds, plants and bulbs : offer 45A (1946) - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1946)

Pearce seeds, plants, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1945)

Pearce seeds, plants, bulbs : offer 39A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rex D. Pearce, 1943)

Perennial and annual plants, evergreen trees and shrubs : 1931 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sunnyvale Gardens, 1931)

Perennial catalogue : spring [1928] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Dalewood Nurseries, 1928)

Perennial list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Cascio Nursery, 1958)

Perennial Nurseries, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1942)

Perennial Nurseries, spring 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1936)

Perennial Nurseries, spring 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1937)

Perennial Nurseries, spring 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1938)

Perennial Nurseries, spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1939)

Perennial nurseries, spring and fall 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1933)

Perennial Nurseries, spring and fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1934)

Perennial Nurseries, spring and fall 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1935)

Perennial Nurseries, spring and fall 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alva H. Smith, 1940)

Perennial plants [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1930)

Perennial plants : catalog for spring 1941, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1941)

Perennial plants : fall, 1938, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Co, 1938)

Perennial plants for the florist, the landscaper, the garden, the border, the rockery - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Co, 1935)

Perennial plants : spring 1945 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Martin-Pratt Seed Co, 1945)

Perennial plants : spring 1948, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Co, 1948)

Perennial plants : spring catalog 1950, wholesale only : 30th anniversary edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Joseph F. Martin Co, 1950)

Perennial plants : spring catalog 1952, wholesale only : our 32nd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Joseph F. Martin Company, 1952)

Perennial plants : spring catalog 1953, wholesale only : our 33rd year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Joseph F. Martin Company, 1953)

Perennial plants : spring catalog 1954, our 34th year : wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Joseph F. Martin Company, 1954)

Perennial plants : wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Joseph F. Martin Perennial Nurseries, 1934)

Perennial specialties, 1939 spring trade list of perennials and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1939)

Perennial specialties, 1941 spring trade list of perennials and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1941)

Perennial specialties, 1942 spring trade list of perennials and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1942)

Perennial specialties, 1943 fall trade list of perennials and rock plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1943)

Perennial specialties : wholesale list, fall 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1952)

Perennial specialties : wholesale list, fall 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1953)

Perennial specialties : wholesale list, fall 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1954)

Perennial specialties : wholesale list, fall 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1955)

Perennial specialties : wholesale list, fall 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1957)

Perennial specialties : wholesale list, fall 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1958)

Perennial specialties : wholesale list, spring 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1953)

Perennial specialties : wholesale list, spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1954)

Perennial specialties : wholesale list, spring 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1955)

Perennial specialties : wholesale list, spring 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1957)

Perennial specialties : wholesale list, spring 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.J. Snyder, 1958)

Perennials, a speciality : wholesale price list, spring, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bentley's Hardy Plants, 1959)

Perennials, a specialty : wholesale price list, fall, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bentley's Hardy Plants, 1958)

Perennials and rock plants for 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1936)

Perennials and rock plants : for fall, winter or spring delivery, 1952-53 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1952)

Perennials and rock plants : wholesale catalogue, fall 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreway Nursery, 1938)

Perennials and rock plants : wholesale catalogue, spring 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Shoreway Nursery, 1939)

Perennials and their uses, including height, color, and season of bloom, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Flower Farm, 1941)

Perennials and their uses, including height, color, and season of bloom : 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Flower Farm, 1940)

Perennials : deciduous trees, flowering shrubs, evergreens, hardy vines, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1924)

Perennials for all purposes : ground covers and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1920)

Perennials for color ... color ... color! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1955)

Perennials for color ... color ... color! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1957)

Perennials for color ... color ... color! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1954)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1935)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1939)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1940)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1938)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1941)

Perennials, rock plants, cut flowers, seedling annuals, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hildemere Gardens, 1936)

Perennials, rock-plants for 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1937)

Perennials, rock-plants for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitzonka's Pansy Farm, 1938)