Environmental Protection

Clean Naturally

The Impossible Five

Sister Nature

The Bee-Master of Warrilow

In New England Fields and Woods

A world of green hills : Observations of nature and human nature in the Blue Ridge

Wake-Robin

Pets Gone Green

The Beauties of Nature, and the Wonders of the World We Live In

Guide to Yosemite

Bee-Keeping

North American Recent Soft-Shelled Turtles (Family Trionychidae)

Wake-Robin

Masters of the Wilderness

The Web of Life

Getting Acquainted with the Trees

Woodland Gleanings: Being an Account of British Forest-Trees

The Wilderness Essays

Wild Apples

The Falls of Niagara and Other Famous Cataracts