- Loudon, William James (1860-1951) [info]. A Canadian geologist. Toronto: Macmillan, 1930.
- Physical description: vii, 257 p., front., port.; 23 cm.
- Language: English
- Includes biography of Tyrrell; with 3 chapters and parts of 2 others on the prairies.
- Subject headings:
Digitization of this title was sponsored by the Board of Governors of the University of Alberta to commemorate the service of
Dr. Jeremy Richards, Member of the Board, 2015-2017