As a writer he became known through his charming magazine articles on native birds and small mammals and for his books which featured illustrations by American wildlife illustrator Robert Bruce Horsfall as well as artist Elizabeth Myers Snagg.
In American Fields and Forests (1908) (with Henry David Thoreau, John Burroughs, Bradford Torrey, Dallas Lore Sharp, Olive Thorne Miller, and John Muir)
^Sharp, Dallas Lore; and Millard, Columbus Norman. A Watcher in the Woods, p. viii. Century Company, 1911. Accessed July 23, 2014. "Dallas Lore Sharp was born on a farm in Haleyville, New Jersey, where the pine barrens, the marshes of Maurice River, and the great river swamps stretched out around him."