General catalogue of choice trees, evergreens, shrubs : roses, and hardy plants - Kelsey, Frederick Wallace, 1850 -1935 (Frederick W. Kelsey, 1895)

General catalogue of fruit and ornamental trees, evergreens, shrubs, vines and roses - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (M.H. Harman Company, 1914)

General catalogue of fruit and ornamental trees : shrubs, roses, bulbs and bulbous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herrick Seed Company, 1915)

General catalogue of fruit and ornamental trees, shrubs, roses and herbaceous plants cultivated and for sale - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chas. R. Fish & Co, 1912)

General catalogue of fruit and ornamental trees, shrubs, roses, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1895)

General catalogue [of] hardy fruits and ornamental trees, shrubs, vines and roses : the product of sixty years' experience - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. & T. Smith Company, 1912)

General catalogue of North Jersey Nurseries : fruit and ornamental trees, grape-vines, small fruits, shrubs, roses and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Jersey Nurseries, 1908)

General catalogue of North Jersey Nurseries : fruit and ornamental trees, grape-vines, small fruits, shrubs, roses and perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (North Jersey Nurseries, 1912)

General catalogue Orange County Nurseries for 1907 - Dwyer, T. J. (Thomas Joseph), 1856 - (T.J. Dwyer & Son, 1907)

General descriptive catalogue of fruit, shade and ornamental trees - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A. Miller & Sons, 1909)

A general history of the dichlamydeous plants :comprising complete descriptions of the different orders...the whole arranged according to the natural system - Don, George, 1798 -1856 (J.G. and F. Rivington, 1834)

A general history of the dichlamydeous plants, comprising complete descriptions of the different orders; together with the characters of the genera and species, and an enumeration of the cultivated varieties ... the scientific names accentuated, their etymologies explained; and the classes and orders illustrated by engravings, and preceded by introductions to the Linnæan and natural systems, and a glossary of the terms used ... - Don, George, 1798 -1856 (J.G. and F. Rivington [etc.], 1831)

A general history of the dichlamydeous plants, comprising complete descriptions of the different orders : together with the characters of the genera and species, and an enumeration of the cultivated varieties ... the scientific names accentuated, their etymologies explained, and the classes and orders illustrated by engravings, and preceded by introductions to the Linnaean and natural systems, and a glossary of the terms used : the whole arranged according to the natural system - Don, George, 1798 -1856 (printed for J.G. and F. Rivington [etc.], 1838)

General illustrated and descriptive catalogue of new, rare and valuable plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Rose Hill Nurseries, 1890)

General illustrated catalogue of new and rare seeds, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pitcher & Manda, 1892)

General price list, 1943 : our 20th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cottage Gardens, 1943)

General price list of vegetable, farm, tree, conifer, palm, flower and other seeds, canna roots, Italian fruit trees, plants, novelties of seeds & c. & c - Dammann & Co. (Dammann & Co, 1903)

General price list of vegetable, farm, tree, conifer, palm, flower and other seeds, canna roots, Italian fruit trees, plants, novelties of seeds & c. & c - Dammann & Co. (Dammann & Co, 1905)

General price list of vegetable, farm, tree, conifer, palm, flower and other seeds, canna roots, Italian fruit trees, plants, novelties of seeds & c. & c - Dammann & Co. (Dammann & Co, 1906)

A general system of gardening and botany. Founded upon Miller's Gardener's dictionary, and arranged according to the natural system - Don, George, 1798 -1856 (Printed for C. J. G. and F. Rivington, 1834)

[Geo. Cooling & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1899)

[Geo. Cooling & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (1912)

The Geo. H. Mellen Co. [catalog] : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1913)

The Geo. H. Mellen Co. [catalog] : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. H. Mellen Co, 1914)

George Engelmann : botanical notebook 10 : Phyllocactus, Disocactus, Epiphyllum, Lepismium, Rhipsalis 1856-1882 - Engelmann, George, 1809 -1884 (1857)

George Engelmann : botanical notebook 10 : Phyllocactus, Disocactus, Epiphyllum, Lepismium, Rhipsalis 1856-1882 - Engelmann, George, 1809 -1884 (1856)

Germain : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain, 1915)

Germain : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain, 1916)

Germain : [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Germain, 1917)

Gillett's hardy fern and flower farm - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1908)

Gillett's hardy ferns and flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. ([Edward Gillett, 1906)

Gladiolus 1952 : for the best in glads - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gladridge Gardens, 1952)

Glen Brothers [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Brothers, 1911)

Glen Brothers, Glenwood Nursery [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Brothers, 1910)

Glen Brothers, Glenwood Nursery [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Brothers, 1912)

Glen Brothers, Glenwood Nursery [catalog] : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Brothers, 1913)

Glen Brothers Inc., Glenwood Nursery : 1917 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Glen Brothers Inc, 1917)

Glen Brothers, Inc. : Glenwood Nursery, Rochester, N.Y - Glen Brothers. (Glen Bros, 1915)

Glenwood Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1904)

Glenwood Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1905)

Glenwood Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1902)

Glories of the garden, 1896-1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Krider Nurseries, Inc, 1937)

Goetz Nursery, Inc., 1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Goetz Nursery, Inc, 1955)

Gray's school and field book of botany. Consisting of "Lessons in botany," and "Field, forest, and garden botany," bound in one volume - Gray, Asa, 1810 -1888 (American Book Co, 1887)

The Great Western Plant Co. [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Great Western Plant Co, 1918)

The Great Western Plant Co. [catalog] : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Great Western Plant Co, 1913)

Green mountain everbearing strawberry - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1935)

Green Pastures Gardens [supplementary list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Green Pastures Gardens, 1948)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1974)

Green scene - Pennsylvania Horticultural Society. (Pennsylvania Horticultural Society, 1976)

The Green thumb - Denver Botanic Gardens. (Colorado Forestry and Horticulture Association, 1976)

Greenbrier Farms, inc., Norfolk, Virginia - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greenbrier Nurseries, 1940)

Greenbrier Farms, inc., Norfolk, Virginia - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Greenbrier Nurseries, 1951)

Greenhouse & garden plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson Inc, 1914)

Greenhouse and garden plants : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (A.N. Pierson Inc, 1915)

Greenhouse management - Taft, L. R. (Levi Rawson), 1859 - (Orange Judd company, 1898)

Greenhouse management. A manual for florists and flower lovers on the forcing of flowers, vegetables and fruits in greenhouses, and the propagation and care of house plants - Taft, L. R. (Levi Rawson), 1859 - (O. Judd, 1898)

Greenhouse management. A manual for florists and flower lovers on the forcing of flowers, vegetables and fruits in greenhouses, and the propagation and care of house plants - Taft, L. R. (Levi Rawson), 1859 - (Orange Judd company, 1906)

Ground cover plants : rock-garden plants and herbaceous, perennials, trees, shrubs and evergreens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hugh B. Barclay, 1945)

Grow trees, evergreens, shrubs, perennials and fruits from seeds : fall - 1926 and spring - 1927 [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Conyers B. Fleu, Jr, 1926)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1895)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1898)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1908)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1888)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1894)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1897)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1904)

[H. Cannell & Sons materials] - Liberty Hyde Bailey Hortorium. Ethel Z. Bailey Horticultural Catalogue Collection. (H. Cannell & Sons, 1909)

H. H. Berger & Co.'s price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H .H. Berger & Co, 1894)

H. H. Berger & Co.'s price list : for the trade only 1894-1895 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H .H. Berger & Co, 1895)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1865)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1871)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1872)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1876)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1877)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1878)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1882)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1883)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1884)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1886)

Hamburger Garten- und Blumenzeitung (R. Kittler, 1888)

Hampel's Gartenbuch für Jedermann : Anleitung zur praktischen Ausübung aller Zweige der Gärtnerei : aus der Praxis für die Praxis : mit 198 in den Text gedruckten Abbildungen - Kunert, Fritz, 1863 -1948 (Verlagsbuchhandlung Paul Parey, 1902)

Hand-book of trees and hardy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan and Sons, 1915)

Hand-book of trees and hardy plants. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1917)

Hand-book of trees and hardy plants : 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan and Sons, 1916)

Hand-book of trees and hardy plants : spring 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Thomas Meehan & Sons, 1910)

Hand-list of Coniferae : grown in the Royal botanic gardens - Royal Botanic Gardens, Kew. (Printed for H. M. Stationery off. by Darling & son, Ltd, 1903)

Hand-list of trees and shrubs, excluding Coniferae, grown in Arboretum - Royal Botanic Gardens, Kew. (Printed for H.M. Stationery Off., by Darling, 1902)

Handbook of hardy trees, shrubs, and herbaceous plants. Based on the French work of Messrs. Decaisne and Naudin entitled 'Manuel de l'amateur des jardins,' and including the original woodcuts by Riocreux and Leblanc - Decaisne, Joseph, 1807 -1882 (Estes & Lauriat, 1873)

Handbook of ornamental trees, shrubs, hardy perennials, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.F. Barr & Co, 1916)

Handbook of ornamental trees, shrubs, hardy perennials, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (B.F. Barr & Co, 1917)

Handbuch der biochemischen Arbeitsmethoden - Abderhalden, Emil, 1877 -1950 (Urban & Schwarzenberg, 1910)

Handbuch der Laubholzkunde : Beschreibung der in Deutschland heimischen und im Freien kultivierten Bäume und Sträucher. Für Botaniker, Gärtner und Forstleute - Dippel, Leopold, 1827 -1914 (P. Parey, 1889)

Hardy azaleas, broad leaved evergreen and decidious shrubs : price list to the trade only, March 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore van Veen Nursery Co, 1927)

Hardy azaleas, broad leaved evergreen and decidious shrubs : price list, 1926-1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore van Veen Nursery Co, 1926)

Hardy ferns and flowers, and roses : over 60 kinds of lilies, bog plants and orchids in great variety, hardy ornamentals, native shrubs, etc - Gillett, Edward (Firm) (Edward Gillett, 1903)

Hardy ferns and flowers : Southwick Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Edward Gillett, 1904)

Hardy flowering perennials, roses, shade and flowering trees, shrubs, hedge plants, vines, evergreens, fruit trees, and small fruits : 1928 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1928)

Hardy flowering perennials, roses, shade and flowering trees, shrubs, hedge plants, vines, evergreens, fruit trees, and small fruits : price list, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1929)

Hardy flowering perennials, roses, shade and flowering trees, shrubs, hedge plants, vines, evergreens, fruit trees, and small fruits : price list, 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1930)

Hardy garden flowers : a selection of choice shrubs, bulbs and perennial flowers - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oregon Gardens, 1950)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1932)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1929)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1931)

Hardy herbaceous plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1930)

Hardy ornamental flowering trees and shrubs - Webster, A. D. (Angus Duncan), 1855 -1931 (Smith, Elder, 1908)

Hardy ornamental trees and shrubs - James Veitch & Sons. (James Veitch & Sons, Ltd, 1911)

Hardy perennial plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1907)

Hardy perennial plants shrubs and vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.T. Lovett, 1909)

Hardy plant material for 1938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1938)

Hardy plant material for 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Snyder Bros, Inc, 1939)

Hardy plant material : spring 1954 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1954)

Hardy plant material : spring 1955 : new roses, lilacs, flowering crabs, shade trees, evergreens, rare shrubs, fruit trees, berries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Linn County Nurseries, 1955)

Hardy plants, bulbs, seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J. Herbert Alexander, 1930)

Hardy plants by Wayside Gardens : root strength, 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1934)

Hardy plants for Alpine and rocky gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bobbink & Atkins, 1926)

Hardy plants for cottage gardens - Albee, Helen Rickey, 1864 -1939 (H. Holt and company, 1910)

Hardy plants for the rock-garden [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wyman's Framingham Nurseries, 1929)

Hardy plants, rock plants, lilies, bulbs : autumn 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1934)

Hardy plants, rock plants, lilies, bulbs, seeds : wholesale catalog, spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1935)

Hardy plants, rock plants, lilies, bulbs : wholesale catalog, autumn 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens Co, 1934)

Hardy plants : root strength, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1935)

Hardy trees and shrubs, greenhouse plants, orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1915)

Hardy trees and shrubs, greenhouse plants, orchids [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1914)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Naperville Nurseries, 1913)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New England Nurseries, 1910)

Hardy trees, shrubs and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Company, 1919)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Daybreak Nurseries, 1936)

Hardy trees, shrubs, plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Louis A. Byrne Nurseries, Inc, 1936)

Hardy trees, shrubs, roses and plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (C.W. Stuart & Co, 1925)

Harrison's nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Son's, 1911)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (J. G. Harrison & Sons, 1910)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1915)

Harrisons' nurseries - Harrison's Nurseries (Berlin, Md.) (Harrison's, 1917)

Harrisons' Nurseries - Harrison's Nurseries (Berlin, Md.) (J.G. Harrison & Sons, 1909)

Harrisons' Nurseries : fruit and ornamental nursery stock - Harrison's Nurseries (Berlin, Md.) (Harrisons' Nurseries, 1916)

Hasty notes on trees and shrubs of northern Europe and Asia - Gibb, Charles, 1845 -1890 ("Witness" printing house, 1883)

Hasty notes on trees and shrubs of northern Europe and Asia - Gibb, Charles, 1845 -1890 ([s.n.], 1883)

Hauptkatalog, Nr. 92, 1907 : Wasserpflanzen, Baumschul und Stauden Katalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Heinrich Henkel, 1907)

Hauptpreisverzeichnis, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1928)

Hauptpreisverzeichnis, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Pabst, 1929)

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1913)

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1914)

Hauptverzeichnis über Samen und Pflanzen - Haage & Schmidt. (Haage & Schmidt, 1921)

Hedwigia (Verlag und Druck von C. Heinrich, 1910)

Heffner's never-fail trees, plants & seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.E. Heffner, 1912)

Die Heimat - Verein Zur Pflege Der Natur- Und Landeskunde In Nordelbingen (Husum Druck- und Verlagsgesellschaft, 1904)

Helps to a beautiful home - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter's Nursery Co, 1907)

Herbaceous perennials, rock and Alpine plants, peonies, iris, roses, forcing stock, bulbs, nursery stock and novelties : tradelist for the season 1931-1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weller Nurseries Company, Inc, 1931)

Herbaceous perennials, rock plants, and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1930)

Herbaceous perennials, rock plants, and hardy vines - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Muller-Sealey Co., Inc, 1927)

Here they come! : the elite on parade, garden lovers and enthusiasts stand by! - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New Market Perennial Gardens, 1936)

Hesdörffers Monatshefte für Blumen und Gartenfreunde - Hesdörffer, Max, 1863 -1920 (R. Oppenheim (G. Schmidt), 1896)

H.H. Berger & Co.'s catalogue of rare Japanese plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.H. Berger & Co, 1886)

H.H. Berger & Co.'s price list : for the trade only 1895-1896 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.H. Berger & Co, 1896)

High grade hardy & semi-hardy azaleas : price list, 1929-30 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodore van Veen Nursery Company, 1929)