Environmentalists & Naturalists

The Man Who Gave Away His Island

The Garden Underground

The Other “Hermit” of Thoreau’s Walden Pond

Water and Light

Wildlife Wars

Of Man and Beast

Our Friend John Burroughs

Our Farm of Four Acres and the Money we Made by it

“Great-Heart”

A Memoir of Thomas Bewick. Written by himself

A Mountain Boyhood

Life of a Scotch Naturalist: Thomas Edward, Associate of the Linnean Society

My Boyhood

William Hamilton Gibson: artist—naturalist—author

Letters of Alexander von Humboldt to Varnhagen von Ense

Adopting an Abandoned Farm

Henry D. Thoreau

Scottish Reminiscences

On Grandfather's Farm

Humboldt