1. The Rate of Movement of Planaria alpina
2. Competitive Relationships Between Certain Species of Fresh-Water Triclads
3. On the Distribution of Freshwater Turbellaria in the Aberystwyth District, with Especial Reference to Two Ice-Age Relicts
4. A. G. Dahm(1949 ) Phagocata (= Fonticola) from South Sweden (Turbellaria tricladida paludicola) .K. Fysiogr. Sallsk. Handl.N. F. 60,Nr.7.
5. A. G. Dahm(1958 )Taxonomy and Ecology of Five Species Groups in the Family Planariidae (Turbellaria, Tricladida Paludicola) Nya Litografen Malmo.