Environmental Protection

The Spell of the Rockies

Roof and Meadow

Lobo, Rag and Vixen

In New England Fields and Woods

Flashlights on Nature

The Web of Life

The Handbook to the Rivers and Broads of Norfolk & Suffolk

Pearls and Pebbles; or, Notes of an Old Naturalist

The Life of the Fields

Wild Animals at Home

The turtles, snakes, frogs and other reptiles and amphibians of New England and the north

Getting Acquainted with the Trees

A Watcher in The Woods

Colin Clout's Calendar: The Record of a Summer, April-October

Our Arctic province : Alaska and the Seal Islands

Nature's invitation: Notes of a bird-gazer, North and South

Cruise of the Revenue-Steamer Corwin in Alaska and the N.W. Arctic Ocean in 1881: Botanical Notes

Global Climate Change

Timber Industry

Whale Industry