Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Problems and exercises. 456 Problems, exercises, etc. 232 Problems solving -- Fiction. 1 Problems, Word (Mathematics) -- SEE: Word problems (Mathematics) 16 Proboscidea -- SEE ALSO narrower term: Elephants. 294 Proboscidea (Mammals), Fossil -- New York (State) 1 Proboscis monkey -- Juvenile literature. 1 Probyn family. 1 Procaryotae -- SEE: Prokaryotes 1 Procaryotes -- SEE: Prokaryotes 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >