1. Some Observations on the Biology of the Trout (Salmo trutta) in Windermere
2. A Note on the Food of Pike (Esox lucius) in Windermere
3. Alm G.(1939)Investigations on growth etc. by different forms of trout.Medd. Stat. Under sökn. Försöksanst. Sötvattern FisketNr. 15.
4. Influence of heredity and environment on various forms of trout;Alm G.;Rep. Inst. Freshwater Res. Drottningholm.,1949
5. Ball J. N.(1957)The biology of the brown trout of Llyn Tegid.Ph.D. thesis University of Liverpool.