Tennessee Pass by Robert LeMassena. Examines over 100 years of Rio Grande on Tennessee Pass on the Royal Gorge Route, pp. 125-230.
Last of the Birney's by Ernest Peyton and Al Kilminster. Chronicles the story of the Fort Collins trolleys, pp. 231-280.
Map supplement of Rock Island Mother-of-Pearl picture, Rock Island yard maps, D&RG location map Crane's Park to Red Cliff, 1881 Plat of Tennessee Pass Depot grounds.
Colorado Railroad Museum, 280 pages, 8.5 x 11 x .75 in., over 300 photographs, 14 in color; timetables; maps and map supplement.