Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1909)

Biologisches Centralblatt - Rosenthal, I. (Isidor), 1836 -1915 (Verlag von Georg Thieme, 1912)

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

Biologisches Zentralblatt (G. Thieme, 1921)

Biology - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Holt, 1914)

Biology - Kimball, John W. (Addison-Wesley Pub. Co, 1974)

Biology - Calkins, Gary N. (Gary Nathan), 1869 -1943 (H. Holt and company, 1914)

Biology - Calkins, Gary N. (Gary Nathan), 1869 -1943 (H. Holt and company, 1917)

Biology for beginners - Moon, Truman Jesse, 1879 -1946 (H. Holt and company, 1921)

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

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 (Saunders, 1920)

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

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

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

Biology in America - Young, R. T. (Robert Thompson), 1874 - (R. G. Badger, 1922)

Biology in America - Young, R. T. (Robert Thompson), 1874 - (R.G. Badger, 1922)

The biology of marine animals - Nicol, J. A. Colin (Joseph Arthur Colin), 1915 - (Interscience Publishers, 1960)

The biology of Stentor - Tartar, Vance, 1911 - (Pergammon Press, 1961)

The biology of the Protozoa - Calkins, Gary N. (Gary Nathan), 1869 -1943 (Lea & Febiger, 1926)