Code of Iowa, 1935

Code of Iowa, 1962, containing all statutes of a general and permanent nature to and including the acts of a permanent nature of the Fifty-ninth General Assembly, 1961

Code of Iowa, 1966

Code of Iowa, 1975, containing all statutes of a general and permanent nature to and including the acts of a permanent nature of the Sixty-fifth General Assembly, 1974

Iowa departmental rules: January 1975 supplement