Roosevelt, Theodore, 1858-1919 Conservation of natural resources -- United States -- History Nature conservation -- United States -- History -- 20th century Conservationists -- United States -- Biography Presidents -- United States -- Biography

Pets -- Environmental aspects Environmental protection -- Citizen participation Animals, Domestic -- Popular Works Animal Husbandry -- methods -- Popular Works Conservation of Natural Resources -- Popular Works

Conservation of natural resources -- Juvenile fiction Runaways -- Juvenile fiction Grandmothers -- Juvenile fiction Idaho -- Juvenile fiction

Environmental protection -- Citizen participation -- Juvenile literature. Nature conservation -- Pictorial works -- Juvenile literature. Conservation of natural resources -- Citizen participation -- Juvenile literature. Waste minimization -- Juvenile literature.