Reminiscences of Robert Luther Duffus
Les Bisons D'argile. Bison of Clay ... Translated by Robert Luther Duffus
Our Starving Libraries
The American Renaissance
The Innocents at Cedro, a Memoir of Thorstein Veblen and Some Others. With the Advice and Consent of William M. Duffus
The Valley and Its People
Books, Their Place in a Democracy, by R.L. Duffus
Typed Letter Signed RL Duffus To: Mrs. Kleeman
The Valley and Its People
The Strength of the Land was in Him
The Santa Fe Trail, By R.L. Duffus
A Collection of Letters
The American renaisance
The Grandson of the Liberator
Bison of Clay
The innocents at Cedro
Night Between the Rivers. A Novel
Adventure in Retirement
In the White House 1861-65
Evelyn Wells Papers