Essays

In the Open: Intimate Studies and Appreciations of Nature

Concerning Animals and Other Matters

The Open Air

The Fall of the Year

Winter

Excursions

Fragments of Earth Lore: Sketches & Addresses Geological and Geographical

A Month in Yorkshire

Little Masterpieces of Science: The Naturalist as Interpreter and Seer

Idle Hours in a Library

The Hills and the Vale

In Pursuit of Spring

Forest, Rock, and Stream

Adventures in Contentment

Pearls and Pebbles; or, Notes of an Old Naturalist

Over the Rocky Mountains to Alaska

California Sketches, New Series

Under the Trees and Elsewhere

Yorkshire Vales and Wolds

Colorado Outings