Penney, Electa Ketcham 1855- Ketcham Family History; the Descendants of John Ketcham and His Wife Sarah Matthews of Mt. Hope Township (one Time Known as Deerpark, Later Calhoun, and Finally Mt. Hope) Orange County, N.Y

Campbell, Richard C. ABC'S OF ROCK GARDENING WITH KETCHAM ES STUDENTS

Ward, Margaret Ketcham War Memories

Ketcham, Victor Alvin The Theory and Practice of Argumentation and Debate