1. Rip Van Winkle railroads : Canajoharie & Catskill R.R., Catskill Mountain Ry., Otis Elevating Ry., Catskill & Tannersville Ry. Author/Creator: Helmer, William F. Publication/Creation: Berkeley, Calif. : Howell-North Books, [1970] Format: Book Access & Availability: Loading
2. O. & W. : the long life and slow death of the New York, Ontario & Western Railway Author/Creator: Helmer, William F. Publication/Creation: Berkeley, Calif. : Howell-North, 1959 Format: Book Access & Availability: Loading