Nature

Flowers of Mountain and Plain

Trees of the Forest: Their Beauty and Use

Snowed Up; or, The Sportman's Club in the Mountains

The English Lakes

Texas Rocks and Minerals: An Amateur's Guide

When the Wilderness Calls – Bertrand W. Sinclair Collection

Whale Primer, with Special Attention to the California Gray Whale

Journey of a Birdwatcher

Where Men No More May Reap or Sow

The Great Adventure Of Typhoon The Elephant

Autobiography of the Rivers

Biographies of Popular Birds and Animals

Skyward Journeys

The Buffalo Diary

Tales of the Most Exciting and Mysterious Deserts

Wonders of Earth's Forests

Tales of the Most Mysterious Birds

Tales of the World's Mightiest Volcanoes

Rare and Endangered Animals and Birds

Stories of the Ocean Currents