Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1870)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1886)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1888)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1904)

Anzeiger - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (In Kommission bei A. Hölder, 1917)

ao men zhi wu zhi - Xing, Fuwu 邢福武 (ao men te bie xing zheng qu min zheng zong shu yuan lin lv hua bu zhong guo ke xue yuan hua nan zhi wu yuan, 2007)

ao men zhi wu zhi zong suo yin 澳门植物志总索引 - Xing, Fuwu 邢福武 (ao men te bie hang zheng qu min zheng zong shu yuan lin lv hua bu zhong guo ke xue yuan hua nan zhi澳门特别行政区民政总署园林绿化部，中国科学院华南植, 2007)

Aphids of the Rocky Mountain region, including primarily Colorado and Utah, but also a bordering area composed of southern Wyoming, southeastern Idaho and northern New Mexico - Palmer, Miriam Augusta, 1878 - (Hirschfield Press], 1952)

Aphorismi botanici - Agardh, C. A. (Carl Adolf), 1785 -1859 (Literis Berlingianis, 1817)

Appendices A-E : terrestrial resources injury assessment report : upper Clark Fork River NPL sites - Lipton, Joshua. (Dept. of Justice?, 1995)

"Appendix to the catalogue of the flora of Nebraska." With a supplementary list of recently reported species - Bessey, Charles E. (Charles Edwin), 1845 -1915 (1892)

Application of remote sensing techniques at different scales of observation on wetland evapotranspiration - Juan, Chung-hsin, 1968 - (2001)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1984)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1985)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1986)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1988)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1990)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1991)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1992)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1993)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1994)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1995)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1996)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1997)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1998)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1999)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2000)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2001)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2002)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2003)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2005)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2007)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2009)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2011)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2013)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 2018)

Aquaphyte : newsletter of the IPPC Aquatic Weed Program of the University of Florida, a part of the International Plant Protection Center of the Oregon State University, which is funded by the United States Agency for International Development - University of Florida. Center for Aquatic Plants. (The Program, 1981)

Aquatic and wetland plants of southwestern United States - Correll, Donovan Stewart, 1908 -1983 (Environmental Protection Agency; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972)

Aquatic habitat inventory of the Beaver Creek Drainage and selected tributaries of the Yellowstone River : final report - Montana. Dept. of Fish; Game. (The Dept, 1978)

Aquatic insects in New York State - Needham, James G. (James George), 1868 -1957 (University of the State of New York, 1903)

Aquatic insects in New York state ; a study conducted at the entomologic field station, Ithaca, N. Y. under the direction of Ephraim Porter Felt - Needham, James G. (James George), 1868 -1957 (University of the state of New York, 1903)

Aquatic insects in New York state : a study conducted at the Entomological Field Station, Ithaca, N.Y. under the direction of Ephraim Porter Felt - Needham, James G. (James George), 1868 -1957 (University of the State of New York, 1903)

Aquatic insects of California, with keys to North American genera and California species - Usinger, Robert L. (Robert Leslie), 1912 -1968 (University of California Press, 1956)

Aquatic pests on irrigation systems : identification guide - Bartley, T. R. (U.S. Dept. of the Interior, Water and Power Resources Service, 1980)

Aquatic Phycomycetes - Sparrow, F. K. (Frederick Kroeber), 1903 - (University of Michigan Press, 1960)

Aquatic plants of Illinois; an illustrated manual including species submersed, floating, and some of shallow water and muddy shores - Lopinot, Alvin C. (Dept. of Registration & Education, Illinois State Museum Division, 1966)

Aquatics, water lilies - Moulder, George B. (Firm) (George B. Moulder, 1890)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1898)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1960)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1962)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1966)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1973)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1977)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1982)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 1987)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2002)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2006)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2007)

Aquila - Magyar ornithologiai központ. (A Magyar Ornithologiai Knt Kiadva, 2008)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 1991)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2018)

Arabische Pflanzennamen aus Aegypten, Algerien und Jemen - Schweinfurth, Georg August, 1836 -1925 (D. Reimer (E. Vohsen), 1912)

Arachnologische Mitteilungen - Arachnologische Gesellschaft. (Arachnologische Gesellschaft, 1997)

Aramæische pflanzennamen - Löw, Immanuel, 1854 -1944 (W. Engelmann, 1881)

Arbeiten des Botanischen instituts in Würzburg - Sachs, Julius, 1832 -1897 (Wilhelm Engelmann, 1888)

Arbeiten des Botanischen Instituts in Würzburg - Sachs, Julius, 1832 -1897 (Engelmann, 1882)

Arbeiten des Botanischen Instituts in Würzburg - Sachs, Julius, 1832 -1897 (Engelmann, 1888)

Arbejder fra den Botaniske have i København - Københavns universitet. Botanisk have. (Levin & Munksgaard [etc.], 1902)

Les arbes; études sur leur structure et leur végétation - Morren, Édouard, 1833 -1886 (C. Muquardt; [etc., etc.], 1862)

Les arbres : études sur leur structure et leur végétation - Morren, Édouard, 1833 -1886 (J. Rothschild, 1864)

Archhelenis und Archinotis : gesammelte Beiträge zur Geschichte der neotropischen Region - Ihering, H. von (Hermann), 1850 -1930 (W. Engelmann, 1907)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1876)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1854)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1865)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1859)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1847)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1877)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1849)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1851)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1856)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1857)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1860)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1863)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1868)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1869)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1873)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1879)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1884)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1894)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1895)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1905)

Archiv des Vereins der Freunde der Naturgeschichte in Mecklenburg... - Verein der Freunde der Naturgeschichte in Mecklenburg. (Opitz and Company, 1907)

Archiv des Vereins für Sienbenbürgische Landeskunde (1847)

Archiv for mathematik og naturvidenskab (O. Norlis [etc.], 1895)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1913)

Archiv für Naturgeschichte. Abteilung B (Nicolai, 1915)

Archiv für Zellforschung - Goldschmidt, Richard, 1878 -1958 (W. Engelmann, 1912)

Archiv für die Botanik - Römer, J. J. (Johann Jacob), 1763 -1819 (In der Schäferischen Buchhandlung, 1801)

Archiv für die Botanik - Römer, J. J. (Johann Jacob), 1763 -1819 (In der Schäferischen Buchhandlung, 1805)

Archiv für die naturwissenschaftliche Landesdurchforschung von Böhmen - Oba komitéty pro přirodovědecký výzkum země České. (Commissions-Verlag von F. Řivnáč, 1869)

Archiv für die naturwissenschaftliche Landesdurchforschung von Böhmen - Oba komitéty pro přirodovědecký výzkum země České. (Commissions-Verlag von F. Řivnáč, 1875)

Archiv für die naturwissenschaftliche Landesdurchforschung von Böhmen - Oba komitéty pro přirodovědecký výzkum země České. (Commissions-Verlag von F. Řivnáč, 1881)