Environmentalists & Naturalists

The Autobiography of Charles Darwin

Our Friend John Burroughs

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

“Great-Heart”

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

A Mountain Boyhood