Bulb propagation and trade study - Oldfield, Sara (WWF, 1989)

Bulbs - International Bulb Society. (International Bulb Society, 2003)

Bulbs - International Bulb Society. (International Bulb Society, 2007)

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 and wild flower seeds of California - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Carl Purdy, 1911)

Bulbs for 1930 : autumn planting [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1930)

Bulbs for 1932 : advance offering - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1932)

Bulbs for 1932 autumn planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1932)

Bulbs for autumn planting, 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Stumpp & Walter Co, 1935)

Bulbs for fall planting. 1902 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (J.M. Thorburn & Company, 1902)

Bulbs, plants : autumn 1907 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (H.E. Fiske Seed Co, 1907)

Bulletin - Virginia Native Plant Society. (The Society, 1988)

Bulletin - Virginia Native Plant Society. (The Society, 1989)

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

Bulletin - Virginia Native Plant Society. (The Society, 1990)

Bulletin - Virginia Native Plant Society. (The Society, 1991)

Bulletin - Virginia Native Plant Society. (The Society, 1992)

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

Bulletin - Virginia Native Plant Society. (The Society, 1995)

Bulletin - Virginia Native Plant Society. (The Society, 1996)

Bulletin - Virginia Native Plant Society. (The Society, 1998)

Bulletin - Virginia Native Plant Society. (The Society, 2001)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1981)

Bulletin - Virginia Native Plant Society. (The Society, 2002)

Bulletin - Virginia Native Plant Society. (The Society, 2004)

Bulletin - Virginia Native Plant Society. (The Society, 2009)

Bulletin - Virginia Native Plant Society. (The Society, 2010)

Bulletin - National Museum of Canada. (National Museum of Canada, 1917)

Bulletin - Virginia Native Plant Society. (The Society, 2011)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 2003)

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

Bulletin de l'Académie internationale de géographie botanique - Académie internationale de géographie botanique. (Impr. Edmond Monnoyer, 1901)

Bulletin de la Société philomathique de Paris - Société Philomathique de Paris. (Société philomathique de Paris, 1893)

Bulletin de la Société botanique de France - Centre national de la recherche scientifique (France) (La Société, 1902)

Bulletin de la Société royale de botanique de Belgique - Société royale de botanique de Belgique. (La Société, 1905)

Bulletin international. Resumés des travaux présentés. Classe des sciences mathématiques, naturelles et de la médecine - Ceská akademie ved a umení. (Académie des sciences, 1912)

Bulletin - Massachusetts Agricultural Experiment Station - Massachusetts Agricultural Experiment Station. (Massachusetts Agricultural Experiment Station, 1907-1974, 1907)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1899)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1903)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1907)

Bulletin of miscellaneous information - Royal Botanic Gardens, Kew. (H.M. Stationery Office, 1906)

Bulletin of the College of Charleston Museum - College of Charleston. Museum. (The Museum, 1905)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1870)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1872)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1883)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1886)

Bulletin of the Essex Institute - Essex Institute. (Essex Institute, 1885)

Bulletin of the Garden Club of America - Garden Club of America. (Garden Club of America, 1921)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1915)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1981)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1982)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1984)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1986)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1987)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1993)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2000)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2001)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2002)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2008)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2015)

Bulletin of the Natural History Society of New Brunswick - Natural History Society of New Brunswick. (Natural History Society of New Brunswick, 1896)

Bulletin of the Natural History Society of New Brunswick - Natural History Society of New Brunswick. (Natural History Society of New Brunswick, 1898)

Bulletin of the Natural History Society of New Brunswick - Natural History Society of New Brunswick. (Natural History Society of New Brunswick, 1902)

Bulletin of the Natural History Society of New Brunswick - Natural History Society of New Brunswick. (Natural History Society of New Brunswick, 1910)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1921)

Bulletin of the New York Botanical Garden - New York Botanical Garden (Published for the Garden by the New Era Printing Co, 1900)

Bulletin of the Southern California Academy of Sciences - Southern California Academy of Sciences. (The Academy, 1902)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1874)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1875)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1883)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1890)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1891)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1892)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1894)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1896)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1897)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1898)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1900)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1903)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1906)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1909)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1917)