Die Binnenmollusken Mittel-Deutschlands, mit besonderer Berücksichtigung der Thüringer Land, der Provinz Sachsen, des Harzes, Braunschweigs und der angrenzenden landestheile - Goldfuss, Otto (Wilhelm Engelmann, 1900)

La biodiversidad en Chihuahua : estudio de estado - Barajas, Nélida (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2014)

La biodiversidad en Michoacán estudio de estado 2 - Cruz Angón, Andrea (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2019)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1887)

The biological basis of individuality - Loeb, Leo, 1869 -1959 (C. C. Thomas, 1945)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1903)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1907)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1909)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1910)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1915)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1917)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1920)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1953)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1959)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1961)

The Biological bulletin - Marine Biological Laboratory (Woods Hole, Mass.) (Marine Biological Laboratory, 1977)

A biological investigation of the Athabaska-Mackenzie region - Merriam, C. Hart (Clinton Hart), 1855 -1942 (Govt. print. off, 1908)

A biological study of the more important of the fish enemies of the salt-marsh mosquitoes - Chidester, F. E. (Floyd Earle), 1884 -1947 (New Jersey Agricultural Experiment Stations, 1916)

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1927)

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1938)

Biological survey of the Mount Desert Region - Blake, Charles Henry, 1901 -1981 (The Wistar Institute of Anatomy and Biology, 1946)

Biologie : oder Philosophie der lebenden Natur für Naturforscher und Aerzte - Treviranus, Gottfried Reinhold, 1776 -1837 (bey J. F. Röwer, 1802)

Biologie : oder Philosophie der lebenden Natur für Naturforscher und Aerzte - Treviranus, Gottfried Reinhold, 1776 -1837 (bey J. F. Röwer, 1814)

Biologische studien über dytisciden - Wesenberg-Lund, C. (Carl), 1867 -1955 (W. Klinkhardt, 1912)

Biologische Untersuchungen - Retzius, Gustaf, 1842 -1919 (Samson & Wallin, 1881)

Biologische Untersuchungen. Neue Folge ... - Retzius, Gustaf, 1842 -1919 (Samson & Wallin, 1914)

Biologische Untersuchungen. Neue Folge ... - Retzius, Gustaf, 1842 -1919 (Samson & Wallin, 1909)

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

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1886)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1888)

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

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1891)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1894)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1896)

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

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1901)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1903)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1881)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1908)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1910)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1913)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1914)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1916)

Biologisches Zentralblatt (G. Thieme, 1920)

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

A biology of Crustacea - Green, J. (James), 1928 - (Quadrangle Books, 1961)

The biology of dragonflies : (Odonata or Paraneuroptera) - Tillyard, R. J. (Robin John), 1881 -1937 (University press, 1917)

The biology of dragonflies (Odonata or Paraneuroptera) - Tillyard, R. J. (Robin John), 1881 -1937 (University Press, 1917)

The biology of senescence - Comfort, Alex, 1920 - (Rinehart, 1956)

The biology of the frog - Holmes, Samuel J. (Samuel Jackson), 1868 -1964 (Macmillan, 1916)

The biology of the frog - Holmes, Samuel J. (Samuel Jackson), 1868 -1964 (Macmillan, 1907)

The biology of the frog - Holmes, Samuel J. (Samuel Jackson), 1868 -1964 (The Macmillan company, 1927)

The biology of the frog - Holmes, Samuel J. (Samuel Jackson), 1868 -1964 (Macmillan, 1924)

Bioplasm : an introduction to the study of physiology & medicine - Beale, Lionel S. (Lionel Smith), 1828 -1906 (J. & A. Churchill, 1872)

Bioplasm: an introduction to the study of physiology & medicine - Beale, Lionel S. (Lionel Smith), 1828 -1906 (J. & A. Churchill, 1872)

Birds in their relation to man - Dearborn, Ned (J. B. Lippincott company, 1935)

Birds in their relations to man; a manual of economic ornithology for the United States and Canada - Dearborn, Ned (J. B. Lippincott Company, 1903)

Birds of New York - Eaton, Elon Howard, 1866 -1934 (University of the State of New York, 1914)

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 Ontario in relation to agriculture - Ontario. Dept. of Agriculture. (Ontario Dept. of Agriculture, 1898)

The birds of Ontario in relation to agriculture - Ontario. Dept. of Agriculture. (Ontario Dept. of Agriculture; Printed by L.K. Cameron, Printer to the King, 1901)

Birds of Ontario in relation to agriculture - Ontario. Dept. of Agriculture. ([s.n, 1919)

The birds of Ontario in relation to agriculture - Nash, Charles W. (Charles William), 1848 -1926 (L.K. Cameron, 1909)

Birds of Ontario in relation to agriculture - Nash, Charles W. (Charles William), 1848 -1926 (Ontario Dept. of Agriculture, 1913)

Birds of Ontario in relation to agriculture - Nash, Charles W. (Charles William), 1848 -1926 (Ontario Dept. of Agriculture, 1919)

The birds of Ontario in relation to agriculture - Nash, Charles W. (Charles William), 1848 -1926 (Printed and published by L.K. Cameron, 1909)

The birds of Ontario in relation to agriculture - Ontario. Dept. of Agriculture (Ontario Dept. of Agriculture, 1898)

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 (1902)

Blätter für Aquarien- und Terrarien-Kunde (1905)