The National Library of Norway have an amazing collection, most of which is available online. Some of it is even available for people outside of Norway, such as these lovely old photos of shaving in Norway (click to make bigger):
Wilse, Anders Beer / 1907 Apr 01 / Ellevstølane, Vang
Wilse, Anders Beer / 1927-07-01 / “Hansens barbersalong”
Wilse, Anders Beer / 1938 Jul 01 / Oslo
Wilse, Anders Beer / 1938 Jul 01 / Oslo
Wilse, Anders Beer / 1945 Apr 01 / Unknown