Sub-series consists of annotated books indicating Riggall's opinions, observations or involvements
Title Source
Title based on contents of subseries
Content Details
ITEM LIST :
* Boone and Crockett Club / North American big game competitions, 1939; note on Riggall's chapter "Hunting the Black Bear" in North American big game, 1939
* Gray, Prentiss N. / North American big game : official measurement records, 1934; additions of McKnight and Riggall records for bighorn sheep and black bear
* Hornaday, William T. / Campfires in the Canadian Rockies, 1907; extensive margin notes on people, places, flora and fauna
* White, Stewart Edward / The Mountains, 1904; some notes on trail life