Wissenschaftliche Ergebnisse der schwedischen entomologischen Reise des Herrn Dr. A. Roman in Amazonas 1914-1915. 1. OdonataPublished in Arkiv Zoologi, in 1918, in volume 11, pages 1-54Neue Orthopteren aus Afrika und MadagascarPublished in Arkiv för zoologi, in 1918, in volume 12, issue 1, pages 1-18New Lizards from South America. Collected by Nils Holmgren and A. RomanPublished in Arkiv For Zoologi Stockholm, in 1918, in volume 11, pages 1-9
Neue Orthopteren aus Afrika und MadagascarPublished in Arkiv för zoologi, in 1918, in volume 12, issue 1, pages 1-18New Lizards from South America. Collected by Nils Holmgren and A. RomanPublished in Arkiv For Zoologi Stockholm, in 1918, in volume 11, pages 1-9
New Lizards from South America. Collected by Nils Holmgren and A. RomanPublished in Arkiv For Zoologi Stockholm, in 1918, in volume 11, pages 1-9