Revere Osler and Jack Slessor.
Dewey
N
N
D002170:Canada / Q000208:ethnology; D015709:Correspondence as Topic / Q000266:history; D004493:Education / Q000266:history; D033062:Friends / Q000208:ethnology / Q000523:psychology; D049673:History, 20th Century; D007398:Interpersonal Relations; D008568:Memory / Q000502:physiology; D008889:Military Personnel / Q000266:history / Q000523:psychology; D008891:Military Science / Q000266:history; D047828:World War I