Helminths, arthropods, & protozoa of domesticated animals /
by E. J. L. Soulsby.
- 6th ed.
- Baltimore : Williams and Wilkins Co., [1968].
- xix, 824 p. : ill. ; 26 cm.
Previous editions, by H. O. Mèonnig, have title: Veterinary helminth ology and entomology.