Image 1 of 1 Robert Ridge Walker Ledger Book $5,500.00 Northern Cheyenne (attributed to Robert Ridge Walker, 1860-1965)c. 19003.5” x 5.75”PA-0760 Add To Cart Added! Northern Cheyenne (attributed to Robert Ridge Walker, 1860-1965)c. 19003.5” x 5.75”PA-0760 ← Back