- Loudon, William James (1860-1951) [détails]. A Canadian geologist. Toronto : Macmillan, 1930.
- Description matérielle : vii, 257 p., front., port.; 23 cm.
- Langue : anglais
- Includes biography of Tyrrell; with 3 chapters and parts of 2 others on the prairies.
- Vedettes-matière :
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