Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Puerto Rico Electric Power Authority. 3 Puerto Rico Electric Power Authority -- Reorganization. 1 Puerto Rico -- Environmental conditions -- Juvenile literature. 2 Puerto Rico -- Fiction 20 Puerto Rico -- Foreign economic relations -- United States. 1 Puerto Rico -- Geography -- Juvenile literature. 1 Puerto Rico -- Guidebooks. 2 Puerto Rico -- History 6 Puerto Rico -- History -- 19th century -- Fiction. 1 Puerto Rico -- History -- 20th century. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >