U.S. Dept. of Justice, Law Enforcement Assistance Administration, National Criminal Justice Information and Statistics Service [for sale by the Supt. of docs., U.S. Govt. Print. Off.]1973.<AU-741-65>
U.S. Dept. of Commerce, Social and Economic Statistics Administration, Bureau of the Census [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]19uu.<DT773-38>