Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1885)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1887)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1890)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1895)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1899)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1902)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1911)

Biologisches Zentralblatt (G. Thieme, 1920)

The biologist's handbook of pronunciations - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Thomas, 1960)

The biology and ecology of aquatic and semi-aquatic Hemiptera - Hungerford, Herbert B. (1919)

Biology for everyman - Thomson, J. Arthur (John Arthur), 1861 -1933 (J. M. Dent & sons ltd, 1934)

Biology for high schools - Bailey, Guy A. (Guy Andrew), 1874 -1946 (Allyn and Bacon, 1920)

Biology, general and medical - McFarland, Joseph, 1868 -1945 (W. B. Saunders, 1910)

Biology, general and medical - McFarland, Joseph, 1868 -1945 (Saunders, 1910)

Biology, general and medical - McFarland, Joseph, 1868 -1945 (W. b. Saunders company, 1916)

Biology : general and medical - McFarland, Joseph, 1868 -1945 (W. B. Saunders, 1921)

Biology, general and medical - McFarland, Joseph, 1868 -1945 (Saunders, 1920)

Biology, general and medical - McFarland, Joseph, 1868 -1945 (W. B. Saunders company, 1913)

Biology, an introductory study for use in colleges - Conn, H. W. (Herbert William), 1859 -1917 (Silver, 1912)

Biology: an introductory study for use in colleges - Conn, H. W. (Herbert William), 1859 -1917 (Silver, Burdett and company, 1912)

Biology of the seas of the U.S.S.R - Zenkevich, L. A. (Lev Aleksandrovich), 1889 -1970 (Interscience Publishers, 1963)

Biology; the story of living things - Hunter, George W. (George William), 1873 -1948 (American book company, 1937)

Biomonitoring program : standard operating procedures - Massachusetts. Division of Water Pollution Control. Technical Services Branch. (Technical Services Branch, Massachusetts Division of Water Pollution, Dept. of Environmental Quality Engineering, 1988)

Biomonitoring program : standard operating procedures - Massachusetts. Division of Water Pollution Control. Technical Services Branch. (Technical Services Branch, Massachusetts Division of Water Pollution, Dept. of Environmental Quality Engineering, 1989)

Biomonitoring program : standard operating procedures - Massachusetts. Division of Water Pollution Control. Technical Services Branch. (Technical Services Branch, Massachusetts Division of Water Pollution, Dept. of Environmental Quality Engineering, 1990)

Biophysical research methods - Uber, Fred Murray, 1905 - (Interscience Publishers, 1950)

BIOS (1913)

Biosphere Reserves, Compilation 4, October 1986: programme on man and the biosphere (MAB) (1986)

Biosphere Reserves, Compilation 5, October 1990: programme on man and the biosphere (MAB) (1990)

Birds & nature magazine - Higley, William Kerr, 1860 -1908 (nature study publishing company [etc.], 1896)

The birds about us - Abbott, Charles Conrad, 1843 -1919 (J. B. Lippincott, 1895)

Birds and nature (A.W. Mumford, Publisher, 1903)

Birds and nature (A.W. Mumford, Publisher, 1906)

The Birds of Australia - Grönvold, Henrik, 1858 -1940 (Witherby & Co, 1920)

Birds of eastern Canada - Taverner, P. A. (Percy Algernon), 1875 -1947 (F. A. Acland, 1922)

The birds of Illinois and Wisconsin - Cory, Charles B. (Charles Barney), 1857 -1921 (1909)

The birds of Norfolk : with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1890)

The birds of Norfolk, with remarks on their habits, migration, and local distribution - Southwell, Thomas, 1831 -1909 (J. Van Voorst, 1866)

The birds of North America - Studer, Jacob Henry, 1840 -1904 (Jacob Studer, 1873)

The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago - Ridgway, Robert, 1850 -1929 (Govt. Print. Off, 1919)

Birds of Oregon - Gabrielson, Ira Noel, 1889 -1977 (Pub. by Oregon State College through the O.S.C. Cooperative Association, 1940)

Birds of Porto Rico - Wetmore, Alexander, 1886 -1978 (U.S. Dept. of Agriculture, 1916)

Birds of the Colorado valley ... scientific and popular information concerning North American ornithology - Coues, Elliott, 1842 -1899 (Govt. Print. Off, 1878)

Blätter für Aquarien- und Terrarien-Kunde (1890)

Blätter für Aquarien- und Terrarien-Kunde (1892)

Blätter für Aquarien- und Terrarien-Kunde (1893)

Blätter für Aquarien- und Terrarien-Kunde (1894)

Blätter für Aquarien- und Terrarien-Kunde (1895)

Blätter für Aquarien- und Terrarien-Kunde (1898)

Blätter für Aquarien- und Terrarien-Kunde (1901)

Blätter für Aquarien- und Terrarien-Kunde (1905)

Blätter für Aquarien- und Terrarien-Kunde (1906)

Blätter für Aquarien- und Terrarien-Kunde (1907)

Blätter für Aquarien- und Terrarien-Kunde (1908)

Blätter für Aquarien- und Terrarien-Kunde (1909)

Blätter für Aquarien- und Terrarien-Kunde (1910)

Blätter für Aquarien- und Terrarien-Kunde (1911)

Blätter für Aquarien- und Terrarien-Kunde (1912)

Blätter für Aquarien- und Terrarien-Kunde (1914)

Blätter für Aquarien- und Terrarien-Kunde (1916)

Blätter für Aquarien- und Terrarien-Kunde (1918)

Blätter für Aquarien- und Terrarien-Kunde (1919)

Blätter für Aquarien- und Terrarien-Kunde (1920)

Blätter für Aquarien- und Terrarien-Kunde (1921)

Blätter für Aquarien- und Terrarien-Kunde (1922)

Ein Blick in die Geschichte der botanischen Morphologie und die Pericaulom-Theorie - Potonié, H. (Henry), 1857 -1913 (G. Fischer, 1903)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2007)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1980)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1999)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1992)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2014)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 1959)

Blue jay - Saskatchewan Natural History Society. (Saskatchewan Natural History Society, 2008)

The bogs and bog flora of the Huron River Valley ... - Transeau, Edgar Nelson, 1875 -1960 (The University of Chicago Press, 1906)

Boletín de la Sociedad Geográfica de Lima - Sociedad Geográfica de Lima. (Sociedad Geográfica de Lima, 1910)

Boletín de la Sociedad Geográfica de Lima - Sociedad Geográfica de Lima. (Sociedad Geográfica de Lima, 1914)

Boletin de la Academia Nacional de Ciencias en Córdoba, República Argentina - Academia Nacional de Ciencias (Córdoba, Argentina) (Academia Nacional de Ciencias, 1881)

Boletin de la Academia Nacional de Ciencias en Córdoba, República Argentina - Academia Nacional de Ciencias (Córdoba, Argentina) (Academia Nacional de Ciencias, 1920)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1903)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1911)

Boletín de la Sociedad Aragonesa de Ciencias Naturales - Sociedad Aragonesa de Ciencias Naturales. (Librería Editorial de Cecilio Gasca, 1914)

Boletin de la Sociedad de Biología de Concepción - Sociedad de Biología de Concepción. ([Universidad de Concepción], 1989)

Boletín de la Sociedad entomológica de España - Sociedad Entomológica de España. (Libreria editorial de C. Gasca, 1920)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1911)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1919)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1920)

Boletín de la Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (Estab. tip. de Fortenet, 1922)

Boletín de la Sociedad Ibérica de Ciencias Naturales - Sociedad ibérica de ciencias naturales. (Librería Editorial de Cecilio Gasca, 1919)

Bolgiano's capitol city bulbs & seeds : fall 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.W. Bolgiano, 1922)

Bolgiano's extremely early wonderfully prolific I.X.L. tomato - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bolgiano, 1910)

Bollettino del R. Comitato geologico d'Italia - R. Comitato geologico d'Italia. (Il Comitato, 1879)

Bollettino del R. Comitato geologico d'Italia - R. Comitato geologico d'Italia. (Il Comitato, 1885)

Bollettino del R. Comitato geologico d'Italia - R. Comitato geologico d'Italia. (Il Comitato, 1886)

Bollettino del R. Comitato geologico d'Italia - R. Comitato geologico d'Italia. (Il Comitato, 1890)

Bollettino del R. Orto botanico di Palermo Nuova serie - R. Orto botanico di Palermo. (Stab. tip. Emanuele Priulla, 1914)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1890)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1892)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1903)

Bollettino della Società dei naturalisti in Napoli - Società dei naturalisti in Napoli. (Giannini [etc.], 1966)

Bollettino della Società geologica italiana - Societa geologica italiana. (La Società, 1888)

Bollettino della Società geologica italiana - Societa geologica italiana. (La Società, 1889)

Bollettino della Società geologica italiana - Societa geologica italiana. (La Società, 1890)