Ecology

Earthworms and Their Allies

The Mountain that was 'God

The Book of the Fly

Wilderness Babies

Fishes of Chautauqua, Cowley and Elk Counties, Kansas

Mammals of Northwestern South Dakota

A Book of Dartmoor

A Thousand-Mile Walk to the Gulf (With Original Drawings & Photographs)

The Young Collector's Handbook of Ants, Bees, Dragon-flies, Earwigs, Crickets, and Flies

Diversions of a Naturalist

Everglades Wildguide

The Murray River

Flowers of Mountain and Plain

The English Lakes

When the Wilderness Calls – Bertrand W. Sinclair Collection

The Great Adventure Of Typhoon The Elephant

Mary's Meadow, and Other Tales of Fields and Flowers

Nature's Teachings: Human Invention Anticipated by Nature

Bee Hunting: A Book of Valuable Information for Bee Hunters

A Trip to Pilawin, the Deer-park of Count Joseph Potocki in Volhynia, Russia