Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1894)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1929)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1935)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1936)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1943)

Brotéria. Série botanica (Revista Brotéria, 1914)

Broughton's perennials, biennials, roses and quality nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Leslie M. Broughton Company, 1950)

Broughton's perennials, biennials, roses and quality nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Leslie M. Broughton Company, 1949)

Brown Brothers Company, Rochester's greatest nurseries, Rochester, N.Y., growers of a complete line of nursery stock - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Brothers Company, 1941)

Brown's reference catalog of dependable fruit and ornamental trees, shrubs, evergreens, perennial plants, roses, etc., from grower to consumer - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Brown Brothers Company, 1935)

Brunjes' reliable seeds, 1882-1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M.H. Brunjes & Sons, 1947)

Bryson Ayres, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bryson Ayres, 1932)

Das buch von der biene - Witzgall, Johann, 1848 - (Eugen Ulmer, 1898)

Buchanan's 1941, seeds, feeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.B. Buchanan Seed Co., Inc, 1941)

Budapest és környéke természetrajzi, orvosi és közmivelődési leirása : Budapest főváros : a magyar orvosok és természetvizsgálók XX. nagy-gyülésére emlékül - Dulácska, Géza, (Nyomatott a Magyar Királyi Egyetemi Könyvnyomdában, 1879)

Budd's flora of the Canadian Prairie Provinces (Research Branch, Agriculture Canada, 1987)

Buffon's natural history - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Printed for the editor & sold by T. Tegg, Cheapside, & R. Griffin, Glasgow, 1821)

Bulbs ... advance offer, flower seeds, strawberry plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1934)

Bulbs and plants, rock garden-alpine plants, unusual perennials : fall 1933, spring 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1933)

Bulbs and plants, rock garden-alpine plants, unusual perennials : fall 1934, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1934)

Bulbs for 1942 autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1942)

Bulbs for 1943 autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1943)

Bulbs for autumn planting, 1944 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1944)

Bulbs for autumn planting, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1948)

Bulbs for autumn planting, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1949)

Bulbs for florists and seedsmen - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Vaughan's Seed Store, 1916)

Bulbs for the greenhouse garden and rock garden - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1931)

Bulbs for your garden, fall 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.E. Marshall & Co., Inc, 1940)

Bulbs from Holland, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1937)

Bulbs from Holland, May 15, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1938)

Bulbs from Holland : root strength, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1939)

Bulbs of the highest quality : imported to order only : special import prices good until July 15th 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1927)

Bulbs, perennials : fall price-list, 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Incorporated, 1931)

Bulbs, plants, roses, shrubs, fruits for fall planting, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1941)

Bulbs, plants, seeds 1928-1929 from "Flowerland" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's Horticultural Establishment, 1928)

Bulbs, plants, seeds, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mission Gardens, 1936)

Bulbs, plants, seeds : spring catalogue, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbert H. Handleman, 1936)

Bulbs, plants, seeds, supplies : your guarantee of quality, flower seed for florists for greenhouse and outside cultivation - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Skidelsky & Co., Inc, 1959)

Bulbs, roots and flowering plants, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Smith's Bulb Gardens, 1934)

Bulbs, roses, perennials : fall price-list, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Incorporated, 1932)

Bulbs, seeds, plants, 1939 for autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1939)

Buletinul Societății de Șciințe din Bucureșci, România = Bulletin de la Société des sciences de Bucarest, Roumanie - Societatea de Științe din București. (Societatea, 1892)

Bulk's Nurseries, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1933)

Bulk's Nurseries, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1934)

Bulk's Nurseries, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1935)

Bulk's Nurseries, 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1936)

Bulk's Nurseries, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1937)

Bulk's Nurseries, 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1938)

Bulk's Nurseries, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1939)

Bulk's Nurseries, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bulk's Nurseries, 1940)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1956)

Bulletin - Société des amis des sciences naturelles de Rouen. (1869)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1905)

Bulletin - Société des amis des sciences naturelles de Rouen. (1888)

Bulletin - Société des amis des sciences naturelles de Rouen. (1906)

Bulletin - Société des amis des sciences naturelles de Rouen. (1908)

Bulletin - National Museum of Canada. (National Museum of Canada, 1931)

Bulletin - National Museum of Canada. (National Museum of Canada, 1938)

Bulletin. No. 4, May 1, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Onarga Nursery Company, 1937)

Bulletin. No. 3, April 15, 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Onarga Nursery Company, 1937)

Bulletin. No. 3, April 18, 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1933)

Bulletin. No. 1, Jan. 25, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1935)

Bulletin. No. 2, Feb. 21, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1935)

Bulletin. No. 3, Mar.16, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1935)

Bulletin. No. 1, Feb. 15, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1932)

Bulletin. No. 4, April 12, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1934)

Bulletin. No. 1, Feb. 10, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1934)

Bulletin. No. 2, March 26, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1932)

Bulletin. No. 3, April 12, 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1932)

Bulletin. No. 2, March 7, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1934)

Bulletin - Société des amis des sciences naturelles de Rouen. (1877)

Bulletin - Société des amis des sciences naturelles de Rouen. (1905)

Bulletin - Société des amis des sciences naturelles de Rouen. (1910)

Bulletin - Société des amis des sciences naturelles de Rouen. (1897)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1919)

Bulletin - National Museum of Canada. (National Museum of Canada, 1950)

Bulletin - National Museum of Canada. (National Museum of Canada, 1952)

Bulletin - National Museum of Canada. (National Museum of Canada, 1955)

Bulletin - National Museum of Canada. (National Museum of Canada, 1957)

Bulletin - National Museum of Canada. (National Museum of Canada, 1958)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1911)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1912)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1913)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1916)

Bulletin de géographie botanique - Académie internationale de botanique. (Au siège de la Société, 1917)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1903)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1904)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1905)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1907)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1908)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1909)

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1910)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1893)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1900)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1901)

Bulletin de l'Herbier Boissier - Herbier Boissier. (Impr. Romet, 1908)

Bulletin de la Fédération des sociétés d'horticulture de Belgique - Fédération des sociétés d'horticulture de Belgique. (1877)

Bulletin de la Société botanique des Deux-Sèvres - Société botanique des Deux-Sèvres. (Impr. A. Chiron, 1889)