Environmental Protection

World's End

Bird Stories from Burroughs

The Child's Book of Nature

Wanderings in South America

The New North

The House of the Trees & Other Poems

On Naval Timber and Arboriculture

The Fall of the Year

Views of Nature – Contemplations on the Sublime Phenomena of Creation with Scientific Illustrations

An Experimental Translocation of the Eastern Timber Wolf

Lyrics of Earth

Mooswa & Others of the Boundaries

The Crest of the Continent: A Summer's Ramble in the Rocky Mountains and Beyond

Modern Whaling & Bear-Hunting

Ontario Teachers' Manuals: Nature Study

Islands and Communities

Cottontail Rabbits in Relation to Trees and Farm Crops

Nature Near London

The Extermination of the American Bison

God's Country: The Trail to Happiness