American fern journal - American Fern Society. (American Fern Society, 2002)

American fern journal - American Fern Society. (American Fern Society, 2003)

American fern journal - American Fern Society. (American Fern Society, 2004)

American fern journal - American Fern Society. (American Fern Society, 2005)

American fern journal - American Fern Society. (American Fern Society, 2006)

American fern journal - American Fern Society. (American Fern Society, 2007)

American fern journal - American Fern Society. (American Fern Society, 2009)

American fern journal - American Fern Society. (American Fern Society, 2010)

American fern journal - American Fern Society. (American Fern Society, 2011)

American fern journal - American Fern Society. (American Fern Society, 2012)

American fern journal - American Fern Society. (American Fern Society, 2013)

American fern journal - American Fern Society. (American Fern Society, 2014)

American fern journal - American Fern Society. (American Fern Society, 2015)

American fern journal - American Fern Society. (American Fern Society, 2016)

American fern journal - American Fern Society. (American Fern Society, 2018)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914)

American journal of botany - Botanical Society of America. (Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1922)

American journal of pharmacy - Philadelphia College Of Pharmacy (Philadelphia College of Pharmacy, 1835)

The American journal of science (J.D. & E.S. Dana, 1882)

The American journal of science (J.D. & E.S. Dana, 1884)

The American journal of science (J.D. & E.S. Dana, 1888)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1839)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1847)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1859)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1872)

American malacological bulletin - American Malacological Union. ([American Malacological Union], 1987)

American men of science; a biographical directory - Cattell, James McKeen, 1860 -1944 (Science Press, 1906)

American men of science; a biographical directory - Cattell, James McKeen, 1860 -1944 (The Science Press, 1921)

The American monthly microscopical journal (Romyn Hitchcock, 1901)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1871)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1874)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1789)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1882)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1885)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1888)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1903)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1904)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1905)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1907)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1908)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1909)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1912)

American plants ... [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] - Orcutt, Charles Russell, 1864 -1929 (1907)

Amtliche berichte über die Internationale fischerei-ausstellung zu Berlin, 1880 ... - Borne, Max von dem, 1826 -1894 (P. Parey, 1880)

Anales de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (La Sociedad, 1886)

Anales del Museo Nacional de Historia Natural de Buenos Aires - Museo Nacional de Historia Natural de Buenos Aires. (Impr. y Casa Editora "Juan A. Alsina", 1911)

Analyse de la nature : or, Tableau de l'univers et des corps organisés - Rafinesque, C. S. (Constantine Samuel), 1783 -1840 (Aux dépens de l'auteur, 1815)

Analyse des familles des plantes, avec l'indication des principaux genres qui s'y rattachent - Du Mortier, B.-C. (Barthélemy-Charles), 1797 -1878 (Impr. de J. Casterman, Aîne, 1829)

An analysis of the British ferns and their allies - Francis, George William, 1800 -1865 (Simpkin, Marshall, 1837)

An analysis of the British ferns and their allies - Henfrey, Arthur, 1819 -1859 (1855)

An analysis of the British ferns and their allies - Francis, George William, 1800 -1865 (Simpkin & Marshall, 1851)

An analysis of the British ferns and their allies - Newman, Edward, 1801 -1876 (Simpkin & Marshall, 1847)

An analysis of the British ferns and their allies - Francis, George William, 1800 -1865 (Simkin, Marshall, 1837)

An analysis of the British ferns and their allies - Francis, George William, 1800 -1865 (Simpkin & Marshall, 1842)

An analysis of the British ferns and their allies - Francis, George William, 1800 -1865 (Simpkin, Marshall, and co, 1842)