A broad Internet search for "norske slektsvapen" brought back a number of reponses including the first which is what appears to be a place you could buy that book -
http://www.johntownsend.demon.co.uk/index_files/Page543.htm

You may also be able to borrow the book by Inter-Library loan from one of the 8 or more US libraries that are listed as having it in their holdings through World Cat. Check at your local public library to see if they can order it for you.