Published in Arkiv för Zoologi, in 1921, in volume 13, pages 1-6

Created: 2010-11-20, modified: 2023-02-16

Published in Arkiv för Zoologi, in 1921, in volume 13, issue 19, pages 1-25

Created: 2010-02-03, modified: 2023-02-16

Published in Arkiv for Zoologi Stockholm, in 1921, in volume 14, issue 4, pages 1-104

Created: 2013-12-10, modified: 2013-12-10