Dean bibliography of fishes - American Museum of Natural History (American Museum of Natural History, 1971)

A descriptive catalogue of the Anatomical and Pathological Museum of St. Bartholomew's Hospital - Royal College of Physicians of London. (Churchill, 1882)

Deutsche Südpolar-Expedition, 1901-1903, im Auftrage des Reichsamtes des Innern - Drygalski, Erich von, 1865 -1949 (G. Reimer, 1921)

Diagnosis of protozoa and worms parasitic in man - Hegner, Robert William, 1880 -1942 (Williams & Wilkins, 1921)

Dictionary of biological equivalents, German-English - Artschwager, Ernst, 1889 -1957 (The Williams & Wilkins company, 1930)

Dictionary of ecology - Hanson, Herbert C. (Herbert Christian), 1891 - (Philosophical Library, 1962)