1. A paper dealing with the length of the fur of the blue-fox is
2. Studier av pälsutvecklingen hos valpar av mink, blåräv och silverräv III. Pälsutvecklingen och den färdiga pälsens beskaffenhet hos blåräv;Skåkman;Våra Pälsdjur,1950
3. Since our length measurements have been made separately for coloured and white fibre and apply to adult animals, the results obtained by Skårman cannot be compared directly with those described in this paper Nor can it be said that the results these two investigations disagree