Zoology of the invertebrata : a text-book for students - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (A. and C. Black, 1893)

Zoology : a systematic account of the general structure, habits, instincts, and uses of the principal families of the animal kingdom - Carpenter, William Benjamin, 1813 -1885 (Wm. S. Orr, 1848)

Zoology; a text-book for secondary schools, normal schools and colleges - Galloway, Thomas Walton, 1866 -1929 (P. Blakiston, 1909)

Zoology, a textbook for college and university students - Chidester, Floyd Earle, 1884 -1947 (D. Van Nostrand, 1932)

Zöology; a textbook for colleges and universities - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (World book company, 1920)

Zoology : a textbook for universities, colleges and normal schools / Thomas Walton Galloway - Galloway, Thomas Walton, 1866 -1929 (Blakiston, 1915)

Zur Morphology und Ontogenie der acariden - Reuter, Enzio, 1867 -1951 (1909)

Zur Zoogeographie der landbewohnenden Wirbellosen - Stoll, O. (1897)