1950 catalog : bulbs, plants & cuttings, seeds, supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (S.S. Skidelsky & Co. Inc, 1950)

1950 dependable seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Campbell Seed Store, 1950)

1950 garden annual : glads for color from June 'til frost - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1950)

1950 garden reference book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cadwell & Jones, Incorporated, 1950)

1950 general catalog : vegetable and flower seeds, plants, bulbs, roses, shrubs, vines, garden requisities, pet supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1950)

1951 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Campbell Seed Store, 1951)

1951 catalog of out-of-the-ordinary bulbs, orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Oakhurst Gardens, 1951)

1951 catalog : seeds, bulbs, roses, pet supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Simpson Seed Company, 1951)

1951 Cumberland Valley Nurseries, Inc. : where better nursery stock is grown - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cumberland Valley Nurseries, Inc, 1951)

1951 : established 1879 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Zonneveld Bros. & Philippo, 1951)

1951 garden annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1951)

1951 gardener's guide : vegetable and flower seeds, plants, bulbs, roses, shrubs, vines, garden requisities, pet supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1951)

1952 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Simpson Seed Company, 1952)

1952 garden and floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1952)

1952 gardening guide : vegetable & flower seed, plants, bulbs, roses, shrubs, vines, garden requisities, pet supplies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1952)

1952 seed catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Company, 1952)

1952 seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Garden Center, 1952)

1953-1954 catalog, fall & spring planted bulbs & plants, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holland Bulb Growers Inc, 1953)

1953 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Campbell Seed Store, 1953)

1953 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Simpson Seed Company, 1953)

1953 catalog, spring planted bulbs, wholesale only : order early - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holland Bulb Growers Inc, 1953)

1953 garden and floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hart & Vick, 1953)

1953 gardening guide : vegetable and flower seeds, plants, bulbs, roses, shrubs, vines, berries, pet supplies and many other garden requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1953)

1953, new giant Dutch imported amaryllis - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nelis Nurseries, Inc, 1953)

1953 - offer 59A - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1953)

1953 - offer 59B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pearce Seed Company, 1953)

1954 annual : perfection brand garden, flower and field seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Binding-Stevens Seed Company, 1954)

1954 bulb list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paul J. Howard's California Flowerland, 1954)

1954 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1954)

1954 : daylilies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nelis Nurseries, Inc, 1954)

1954 : established 1878 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Zonneveld Bros. & Philippo, 1954)

1954 gardening guide : flower seeds, vegetable seeds, roses, shrubs, plants, bulbs, vines, berries, pet supplies and many other garden requisites - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Colorado Seed Co, 1954)

1954 seed catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Company, 1954)

1954, tenth anniversary spring catalog : better flowers from better bulbs : distinctive exhibition gladiolus, dahlias, cannas, lilies, tigridias, tuberous begonias, tritomas, gloxinias, caladiums, tuberoses, acidanthera : you must be satisfied is our guarantee - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Foley Gardens, 1954)

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

1955 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hallawell Seed Co, 1955)

1955 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1955)

1956 / 1957 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hallawell Seed Co, 1956)

1956-1957 fall and spring catalog : wholesale only : order early - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holland Bulb Company Inc, 1956)

1956 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1956)

1956 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Burnett Bros., Inc, 1956)

1956 spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ackerman Nurseries, 1956)

1956 trade list : choice colchicums, eremurus, montbretias, spireas, peonies, iris, narcissus, hardy perennials, hemerocallis, tritomas, tigridias, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Chautauqua Flowerfield, 1956)

1957 - - 46th year - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bush's Nursery, 1957)

1957 annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richards Gardens, 1957)

1957 : established 1878 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Zonneveld Bros. & Philippo, 1957)

1957 planting guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Earl Ferris Nursery, 1957)

1957 spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ackerman Nurseries, 1957)

1958-1959 fall and spring catalog : order early, wholesale only - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Holland Bulb Company Inc, 1958)

1958 Burpee seeds : the best that grow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W. Atlee Burpee Co, 1958)

1958 spring catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ackerman Nurseries, 1958)

1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nelis Nurseries, Inc, 1959)

1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Simpson Seed Company, 1959)

1959 61st anniversary : Gould's seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.L. Gould & Company, 1959)

1959, our 72nd year : Olds' seeds, Madison, Wisconsin - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (L.L. Olds Seed Company, 1959)

1997 IUCN red list of threatened plants (1997)

1912 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Henry Philipps Seed and Implement Company, 1912)

25th annual catalog, 1915-1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Danish Seed Company, 1939)

26th annual catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Company, 1896)

27th annual offering of sterling seeds : season of 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1911)

28th annual offering of sterling seeds : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1912)

29th annual catalogue : sterling seeds 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1913)

30th annual catalogue : sterling seeds 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Northrup, King & Co, 1914)

32nd annual catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1902)

34th annual catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1904)

36th annual catalogue 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1906)

37th annual catalogue 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1907)

38th annual catalogue 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1908)

47th annual catalog of celebrated O.K. seeds : 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Everitt's Seed Stores, 1930)

47th annual catalog of celebrated O.K. seeds : 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Everitt's Seed Stores, 1931)

5 new mums for '54 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carroll Gardens, 1954)

50th year 1897 1947 seed annual - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1947)

51st annual catalogue of the Iowa Seed Co. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1916)

52nd annual catalogue [of] the Iowa Seed Co. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1917)

53rd annual catalogue of 1918 choice seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1918)

54th annual seed catalogue, 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Sevin, Vincent & Co, 1904)

55th annual catalogue of 1920 choice Iowa seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Iowa Seed Co, 1920)

57th annual catalog, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tillinghast Seed Company, 1942)

58th annual seed and plant catalog, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Alneer Brothers, 1941)

60 years of faithful service, sow Salzer's seeds : 1868-1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1928)

60th annual catalog ; Skagit brand seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tillinghast Seed Company, 1945)

61st catalog, 1946 ; Skagit brand seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tillinghast Seed Company, 1946)

63 years of faithful service, sow Salzer's seeds : 1868-1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (John A. Salzer Seed Co, 1931)

63rd catalog 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tillinghast Seed Company, 1948)

64th catalog, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tillinghast Seed Company, 1949)

75 years in the nation's capital : 1889 1964 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Bolgiano, 1964)

A & M reliable seeds : 1934, forty-first annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1934)

A & M reliable seeds : 1935, forty-second annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1935)

A & M reliable seeds : 40th annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1933)

A & M reliable seeds : autumn 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1933)

A & M reliable seeds : autumn 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1934)

A & M reliable seeds : Thirty-ninth annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aggeler & Musser Seed Co, 1932)

A and M reliable seeds : thirty seventh annual catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Company, 1930)

Abel's garden guide and seed annual, 1937 : plant Abel's seeds for results - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Abel's Seed House, 1937)

Abel's garden guide and seed annual, 1940 : plant Abel's seeds for results - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Abel's Seed House, 1940)

Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin - Deutsche Akademie der Wissenschaften zu Berlin. (Realschul-Buchhandlung, 1883)

Abhandlungen der Mathematisch-Physischen Classe der Königlich Sächsischen Gesellschaft der Wissenschaften zu Leipzig - Königlich Sächsische Gesellschaft der Wissenschaften zu Leipzig. (B.G. Teubner, 1861)

Abhandlungen des Naturwissenschaftlichen vereines für Sachsen und Thüringen in Halle / Hrsg. von C. Giebel und W. Heintz - Giebel, C. (Christoph), 1820 -1881 (Dem Vereines, 1856)

Abridged catalogue 1932 - Henry A. Dreer (Firm) (Henry A. Dreer, 1932)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1988)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1991)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1994)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1996)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1997)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2001)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2002)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2003)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2004)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2005)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2006)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2012)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 2013)