Two American Painters in Munich: Walter Ufer and E. Martin Hennings / Susanne Boeller
A Biography of Walter Ufer / Dean A. Porter
Walter Ufer's Years of Critical Success: A Painter Characterized by His Time and Place / Thomas Brent Smith
The Country He Loved Best: A Biography of E. Martin Hennings / Karen Brooks McWhorter
Taos and the Art of E. Martin Hennings / Peter H. Hassrick
Glimpsing Modernity: Images of Labor, Passage, and Change / Catherine Whitney
That Man Out There in the Mountains: Ufer, Hennings, and the Conflicted Allure of Taos / James C. Moore.