Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Hydra (Greece) -- Fiction. 1 Hydra (Greece) -- Social conditions -- 20th century -- Fiction. 1 Hydra (Greek mythology) 1 Hydra (Greek mythology) -- Fiction. 2 Hydra (Greek mythology) -- Juvenile fiction. 1 Hydra (Imaginary organization) -- Comic books, strips, etc. 1 Hydrangeas -- United States. 1 Hydrants -- Fiction. 1 Hydrants -- Juvenile fiction. 1 Hydrargyrum -- SEE: Mercury 3 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >