Ecology

The Subterranean World

The apiary; or, Bees, bee-hives, and bee culture

On Naval Timber and Arboriculture

Canoe and camera: a two hundred mile tour through the Maine forests

The Underworld of Oregon Caves National Monument

The Story of a Dewdrop

Carlsbad Caverns National Park, New Mexico

Cottontail Rabbits in Relation to Trees and Farm Crops

How To Start A Vegetable Garden

Amazon Brazilian

The Life of the Moselle

Ecology and the Bible

A year among the trees : or, the woods and by-ways of New England

Amazon – Historical Origins

Notes on the natural history of the Bell Rock

Transcendentalism