Observations of a naturalist in the Pacific between 1896 and 1899 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Macmillan and co., limited, 1903)

Observations on certain parts of the animal economy : inclusive of several papers from the Philosophical transactions, etc - Owen, Richard, 1804 -1892 (Haswell, Barrington, and Haswell, 1840)

Observations on certain parts of the animal oeconomy : inclusive of several papers from the Philosophical transactions, etc. ; Treatise on the natural history and diseases of the human teeth : explaining their structure, use, formation, growth, and diseases : in two parts - Hunter, John, 1728 -1793 (Haswell, Barrington, and Haswell, 1839)

Observations on the colors of flowers - Hervey, E. W. (Eliphalet Williams), 1834 -1925 (E. Anthony & Sons, 1899)

Observations on the gestation of some sharks and rays - Alcock, A. (Alfred), 1859 -1933 (Asiatic Society, 1891)

Observations on the structure and economy of plants : to which is added The analogy between the animal and the vegetable kingdom - Hooper, Robert, 1773 -1835 (Sold by Messrs. Fletcher and Co. Messrs. Rivington, St. Paul's Church Yard, 1797)

Observations on the structure and economy of plants : to which is added the analogy between the animal and the vegetable kingdom - Royal College of Physicians of Edinburgh. (sold by Messrs. Fletcher and Co. Messrs. Rivington ; and Messrs. Murray and Highley, London, 1797)

Occasional Papers of the Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History - Bernice Pauahi Bishop Museum. (Bishop Museum Press, 1912)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1862)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1868)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1886)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1892)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1895)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1897)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1898)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1901)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1905)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1907)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1908)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1910)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1915)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1923)

Oesterreichisches botanisches Wochenblatt ([L.W. Seidel], 1854)

Offer 402 : Jan./Feb. 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1952)

Offer 407 : April 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1952)

Offer 413 : May/June 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1952)

Offer 420 : July/Aug. 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1952)

Offer 425 : Sept./Oct. 1952 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1952)

Offer 445 : Feb./March 1953 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1953)

Offer no. 207 : March, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Offer no. 212 : April, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Offer no. 221 : July, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Offer no. 233 : November, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Offer no. 241 : December, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1948)

Offer no. 245 : January, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer no. 262 : May/June, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer no. 278 : August, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer no. 293 : November, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer no. 296 : December, 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1949)

Offer no. 297 : January, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1950)

Offer no. 306 : February, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1950)

Offer no. 317 : May, 1950 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1950)

Offer No. 34 : June 1st, 1929 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1929)

Offer no. 340 : 1951 Feb.-March - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1951)

Offer no. 350 : 1951 April/May - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1951)

Offer no. 371 : July/August 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1951)

Offer no. 388 : Sept./Oct. 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1951)

Offer no. 392 : Nov./Dec. 1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1951)

Offerings for 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm E. Attwood Company, 1930)

Offerings for 1931 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm E. Attwood Company, 1931)

Offerings for 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm E. Attwood Company, Inc, 1932)

Les Oiseaux d'Europe décrits par C. J. Temminck - Werner, Johann Carl. (1848)

Ok seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.A. Everitt, 1901)

Ok seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.A. Everitt, 1902)

Old-fashioned gardening; a history and a reconstruction - Tabor, Grace, 1873? - (McBride, Nast & company, 1913)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1938)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1937)

"On gardening" - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1936)

"On gardening" : 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (1928)

On molecular and microscopic science - Somerville, Mary Fairfax, 1780 -1872 (J. Murray, 1869)

On molecular and microscopic science - Somerville, Mary, 1780 -1872 (J. Murray, 1869)

On the growth of plants in closely glazed cases - Ward, N. B. (Nathaniel Bagshaw), 1791 -1868 (J. Van Voorst, 1852)

On the movements of petals / by Esther Pearl Hensel - Hensel, Esther Pearl. (University of Nebraska, 1905)

One-hundred and fifth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1906)

One-hundred and ninth annual catalogue of high class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1910)

One hundred and second annual catalogue of high-class seeds, 1903 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1903)

One-hundred-and-sixth annual catalogue of high-class seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Co, 1907)

One hundredth anniversary, 1835-1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wilson S. Brower Co., Inc, 1935)

Open-air studies in botany : sketches of British wild flowers in their homes - Praeger, R. Lloyd (Robert Lloyd), 1865 -1953 (Griffin, 1897)

Opera e periodicis collata - Vries, Hugo de, 1848 -1935 (A. Oosthoek, 1918)

Opuscules de botanique - Clos, Dominique, 1821 -1908 (1859)

Orchard and garden (J.T. Lovett, 1889)

Orchids and greenhouse plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Roehrs Co, 1916)

Oréades - Instituto de Ciências Biológicas da UFMG. Departamento de Botânica. (Departamento de Botânica, U.F.M.G, 1981)

The origin of floral structures through insect and other agencies - Henslow, George, 1835 -1925 (K. Paul, Trench, Trübnerco, 1888)

The origin of floral structures through insect and other agencies - Henslow, George, 1835 -1925 (D. Appleton and Co, 1888)

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)

The original Beckert's confidential price list for market-gardeners and florists : spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert's Seed Store, 1928)

The original Beckert's confidential price list for market-gardeners and florists : spring, 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert's Seed Store, 1929)

The original Beckert's confidential wholesale price-list : market-gardeners and florists spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert's Seed Store, 1927)

The original Beckert's confidential wholesale price-list : market-gardeners and florists spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert's Seed Store, 1925)

Osmotische Untersuchungen; Studien zur Zellmechanik - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1921)

The outline of science : a plain story simply told - Thomson, J. Arthur (John Arthur), 1861 -1933 (G. P. Putnam's sons, 1922)

Outlines of botany for the high school laboratory and classroom : (based on Gray's Lessons in botany) - Gray, Asa, 1810 -1888 (American Book Company, 1901)

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 botany for the high school laboratory and classroom (based on Gray's Lessons in botany) Prepared at the request of the Botanical Dept. of Harvard University - Gray, Asa, 1810 -1888 (American Book Co, 1901)

Oxford gardens, based upon Daubeny's Popular guide to the physick garden of Oxford: with notes on the gardens of the colleges and on the University park - Gunther, R. T. (Robert Theodore), 1869 -1940 (Parker & son; [etc., etc.], 1912)

Pacific science - University of Hawaii. (University Press of Hawaii, 1951)

Palaeontographica (Theodor Fischer, 1882)

Palladin's Plant physiology - Hopping, Aleita, 1890 - (P. Blakiston's son, 1926)

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

[Pamphlets on agriculture in Guam] (s.n, 1905)

Pamphlets on forestry in Pennsylvania (1900)

Pamphlets on silviculture (1899)

Park and cemetery - Haight, R. J. (Rufus J.) (R.J. Haight, 1900)

Park's autumn list of bulbs, plants and seeds : autumn of 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1914)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1897)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1909)

Park's floral guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1912)

Park's floral guide : 1904 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1904)

Park's floral guide : 1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1906)

Park's floral guide : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1914)

Park's floral guide for 1898 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1898)

Park's floral guide for 1899 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1899)

Park's floral guide for 1908 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1908)

Park's floral guide for 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1913)

Park's illustrated flower book of choice dependable seeds : season of 1930 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1930)

Park's illustrated flower book of choice dependable seeds : season of 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Geo. W. Park, 1929)

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

Parkbäume und ziersträucher - Feucht, Otto (Strecker & Schröder, 1910)

The parlor gardener: a treatise on the house culture of ornamental plants. Translated from the French, and adapted to American use - Randolph, Cornelia J. (Lee and Shepard, 1884)

The parlor gardener: a treatise on the house culture of ornamental plants - Randolph, Cornelia J. (J.E. Tilton & company, 1861)

Partial stock list of everything pertaining to horticulture for 1905 now in stock at the Universal Horticultural Establishment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, 1905)

Partial stock list of everything pertaining to horticulture for 1907 : now in stock at the Universal Horticultural Establishment - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.A. Manda, 1907)