Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Biological warfare 17 SEE ALSO narrower term: Herbicides -- War use 1 Biological warfare agents -- SEE: Biological weapons 22 SEE: Biological weapons 22 Biological warfare -- Comic books, strips, etc. 1 Biological warfare -- Europe. 1 Biological warfare -- Fiction. 29 Biological warfare -- History. 1 Biological warfare -- Japan. 1 Biological warfare -- Juvenile fiction. 5 Biological warfare -- Juvenile literature. 11 Biological warfare -- Miscellanea -- Juvenile literature. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >