Segal, Dorothy B.  <br/><br/>
Index-catalogue of medical and veterinary zoology. Supplement 17. Part 2. Parasite-subject catalogue. Parasites: Protozoa / 
Dorothy B. Segal; Judith M. Humphrey; United States Department of Agriculture. 
 - Supplement 17. Part 2. Parasite-subject catalogue. Parasites: Protozoa 
 - Washington :  U.S. Government printing Office,   1968.