1. Genetic Structure and Avian Systematics
2. Genic variation, systematic, and biogeographic relationships of some galliform birds;Gutiérrez;Auk,1983
3. Composition of the Finnish populations of capercaillie, Tetrao urogallus, and black grouse, Lyrurus tetrix, in the autumns of 1952-61, as revealed by a study of wings;Helminen;Papers Game Res.,1963
4. Om tjäderns rasbildning;Höglund;Sven. Jakt.,1954
5. Rassen und Populationen des Auerhuhns (Tetrao urogallus);Johansen;Viltrevy,1957