Environmental Protection

Crystal Tide Pools

American Big Game in Its Haunts: The Book of the Boone and Crockett Club

Descriptions of Two Species of Frogs, Genus Ptychohyla

The Land of Little Rain

A Northern Countryside

The Peak District

The Wonders of the Jungle, Book Two

The Behavior of the Honey Bee in Pollen Collection

Comb Honey

Camping with President Roosevelt

The Great White North

Ontario Teachers' Manuals: Nature Study

Ontario Teachers' Manuals: Nature Study

Literary Pilgrimages of a Naturalist

Nuclear Energy Risks

Fish Populations, Following a Drought, in the Neosho and Marais des Cygnes Rivers of Kansas

The Heart of the Red Firs

In New England Fields and Woods

Revisiting the Earth

On Naval Timber and Arboriculture