Beiträge zur Kenntnis der Tardigradenfauna SchwedensPublished in Arkiv för zoologi, in 1911, in volume 7, issue 16, pages 1-60Two new snakes from Lower CongoPublished in Arkiv för zoologi, in 1911, in volume 7, issue 8, pages 1-8A new Leptodactylus and a new Nototrema from BrazilPublished in Arkiv för zoologi, in 1911, in volume 7, issue 17, pages 1-6
Two new snakes from Lower CongoPublished in Arkiv för zoologi, in 1911, in volume 7, issue 8, pages 1-8A new Leptodactylus and a new Nototrema from BrazilPublished in Arkiv för zoologi, in 1911, in volume 7, issue 17, pages 1-6
A new Leptodactylus and a new Nototrema from BrazilPublished in Arkiv för zoologi, in 1911, in volume 7, issue 17, pages 1-6