Part 15, Authors: Si To Szyszkowski

United States Department of Agriculture, Bureau of Animal Industr

Part 18, Authors: X To Zyukov

United States Department of Agriculture, Bureau of Animal Industr

Part 16, Authors: T To Tsykalas

United States Department of Agriculture, Bureau of Animal Industr

Supplement 10, Authors: A To Z

United States Department of Agriculture, Bureau of Animal Industr

Part 13, Authors: R To Rzoska

United States Department of Agriculture, Bureau of Animal Industr

Supplement 18, Part 6, Parasite-Subject Catalogue: Subject Headings And Treatment

United States Department of Agriculture, Bureau of Animal Industry, Animal Parasitology Institute, Agriculture Research Servic

Supplement 16, Part 3, Parasite-Subject Catalogue, Parasites: Trematoda And Cestoda

United States Department of Agriculture, Bureau of Animal Industry, Beltsville Parasitological Laboratory, Animal Disease And Parasite Research Division, Agricultural Rersearch Servic

Supplement 17, Part 5, Parasite-Subject Catalogue, Parasites: Arthropoda And Miscellaneous

United States Department of Agriculture, Bureau of Animal Industry, Beltsville Parasitological Laboratory, Animal Disease And Parasite Research Division, Agricultural Research Servic

Supplement 18, Part 2, Parasite-Subject Catalogue: Parasites: Protozoa

United States Department of Agriculture, Bureau of Animal Industry, National Animal Parasite Laboratory, Veterinary Sciences Research Division, Agricultural Research Servic

Supplement 16, Part 7, Parasite-Subject Catalogue, Hosts

United States Department of Agriculture, Bureau of Animal Industr