Report upon the invertebrate animals of Vineyard Sound and adjacent waters, with an account of the physical features of the region - Baird, Spencer Fullerton, 1823 -1887 (Govt. Print. Off, 1874)

Reports and papers on botany - Grisebach, A. (August), 1814 -1879 (Printed for the Ray society, 1846)

Reports on the progress of zoology and botany, 1841, 1842 - Link, Heinrich Friedrich, 1767 -1851 (Printed for the Ray Society, 1845)

Reports on the results of dredging, under the direction of L. F. Pourtalès, during the years 1868-1870, and of Alexander Agassiz in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1878-79), in the U.S. Coast Survey steamer "Blake," Lieut.-Com. C. D. Sigsbee, U.S.N., and Commander J. R. Bartlett, U.S.N., commanding. 31, Report on the annelids / by E. Ehlers - Ehlers, Ernst Heinrich, 1835 -1925 (Printed for the Museum, 1887)

Reports on zoology for 1843, 1844 - Ray Society. (Printed for the Ray society, 1847)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1914)

Résultats des campagnes scientifiques accomplies sur son yacht par Albert Ier, prince souverain de Monaco ... - Albert I, Prince of Monaco, 1848 -1922 (Impr. de Monaco, 1916)

Results of a biological survey of Mount Shasta, California - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt Print. Off, 1899)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 1999)

Revista de la Academia Canaria de Ciencias - Academia Canaria de Ciencias. (Academia Canaria de Ciencias, 2001)

Revue biologique du nord de la France (Le Bigot, 1889)

Revue biologique du nord de la France (Le Bigot, 1890)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1970)

Revue bryologique et lichenologique - Muséum national d'histoire naturelle (France) (Museum national d'histoire naturelle, 1969)

Revue des questions scientifiques - Société scientifique de Bruxelles. (Société scientifique de Bruxelles, 1880)

Revue des sciences naturelles (1872)

Revue générale des sciences pures et appliquées ([s.n.], 1915)

Revue horticole (Librairie agricole de la maison rustique, 1852)

Revue horticole (Librairie agricole de la maison rustique, 1897)

Revue mycologique (Bureaux de la rédaction, 1903)

Revue suisse de zoologie - Muséum d'histoire naturelle de Genève. (Kundig [etc.], 2010)

The rhododendron and "American plants." : A treatise on the culture, propagation, and species of the rhododendron; : with cultural notes upon other plants which thrive under like treatment, and descriptions of species and varieties; : with a chapter upon herbaceous plants requiring similar culture - Rand, Edward Sprague, Jr., 1834 -1897 (Hurd and Houghton, 1876)

The rhododendron and "American plants". A treatise on the culture, propagation, and species of the rhododendron; with cultural notes upon other plants which thrive under like treatment, and descriptions of species and varieties; with a chapter upon herbaceous plants requiring similar culture - Fitch, W. H. (Walter Hood), 1817 -1892 (Little, Brown, and company, 1871)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1925)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1926)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1933)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1934)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1935)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1942)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1953)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1954)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1966)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1974)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1977)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1979)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 1995)

Rhodora - Robinson, Benjamin Lincoln, 1864 -1935 (New England Botanical Club [etc.], 2001)

ri ben zhi wu ming hui - Honda, Masaji 本田正次 1897 -1984 (san sheng tang)

Rock gardens: how to make and maintain them - Meredith, Lewis B. (Williams & Norgate, 1910)

Rock gardens; how to make and maintain them - Meredith, Lewis B. (C. Scribner's sons, 1914)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1938)

Rock plants and iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1937)

Rock plants and iris, 1939 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1939)

Rock plants and iris, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1940)

Rock plants and iris, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1941)

Rock plants and iris, 1942 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1942)

Rock plants, dwarf shrubs and iris, 1944-45 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1944)

Rock plants, dwarf shrubs and iris, 1946-47 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1946)

Rock plants, dwarf shrubs and iris, 1947-48 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Starker, 1947)

Rocky Mountain flowers : an illustrated guide for plant-lovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (H. W. Wilson, 1920)

Rocky mountain flowers; an illustrated guide for plantlovers and plant-users - Clements, Frederic E. (Frederic Edward), 1874 -1945 (the H.W. Wilson company, 1914)

The Romance of wild flowers : a companion to the British flora - Step, Edward, 1855 -1931 (Warne, 1899)

Rose bushes, fruit, shade and coniferous trees, and flowering shrubs : fall '53-spring '54 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Richmond Nurseries, 1953)

Round the year : a series of short nature-studies - Miall, L. C. (Louis Compton), 1842 -1921 (Macmillan, 1896)

Round the year; a series of short nature-studies - Miall, L. C. (Louis Compton), 1842 -1921 (Macmillan, 1898)

The Royal Botanic Garden Edinburgh 1670-1970 - Fletcher, Harold R. (Her Majesty's Stationery Office, 1970)

The royal natural history - Lydekker, Richard, 1849 -1915 (Frederick Warne & Co, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1896)

The royal natural history - Lydekker, Richard, 1849 -1915 (F. Warne, 1893)

Sage notes : Idaho Native Plant Society newsletter - Idaho Native Plant Society. (Idaho Native Plant Society, Pahove Chapter, 2002)

The Saier catalog of rare and popular flower seeds, vegetable and grass seeds : garden bulbs - all kinds, gardener's supplies. no. 49-7 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1949)

The Saier catalog of rare and popular flower seeds, vegetable and grass seeds : garden bulbs - all kinds, gardener's supplies. no. 50-8 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1949)

The Saier catalog of rare and popular flower seeds, vegetable and grass seeds : garden bulbs - all kinds, gardener's supplies. no. 49-9 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1949)

The Saier catalog of rare and popular flower seeds, vegetable and grass seeds : garden bulbs - all kinds, gardener's supplies. no. 50-10 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pioneer Seed Company, 1950)

Sakata's reliable seeds for the nursery : 1933 crop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1933)

Sakata's reliable seeds for the nursery : 1936 crops - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1936)

Sakata's reliable seeds for the nursery : 1940 crop - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Herbst Brothers, 1940)

Sargentia :a continuation of the contributions from the Arnold Arboretum of Harvard University - Arnold Arboretum. (The Arnold Arboretum of Harvard University, 1947)

Saxton & Wilson, 1947 : growers of distinctive hardy plants, successors to Wm. Borsch and Son - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Saxton & Wilson, 1947)

SCAMIT newsletter - Southern California Association of Marine Invertebrate Taxonomists. (SCAMIT, 1982)