From 1933 to 1945 he also was a football referee.
He was also a football referee between 1952 and 1968.
The association is also recognized for its training of football referees and other game officials.
He has also been a football referee in the lower leagues.
After retiring, he was an international football referee from 1957 to 1967.
The term has also been used to undermine football referees.
He was also a urologist and later a football referee.
After retiring as a player, Adams became a football referee.
He has been a football professional referee since 2001.
In the 1980s Nilsson started his career as a professional football referee.