Search for: Title Author Subject Control Number Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Gray wolf -- Juvenile fiction. 1 Gray wolf -- Juvenile literature. 7 Gray wolf, Mexican -- SEE: Mexican wolf 1 Gray wolf -- Reintroduction. 2 Gray wolf -- Reintroduction -- Yellowstone National Park. 2 Gray wolf -- Reintroduction -- Yellowstone National Park -- Juvenile literature. 5 Gray wolf -- Reintroduction -- Yellowstone National Park -- Pictorial works. 1 Gray wolf -- West (U.S.) -- History -- 21st century. 1 Gray wolf -- Yellowstone National Park. 1 Gray wolf -- Yellowstone National Park -- Juvenile literature. 2 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >