“...U.S. Govt. Print. Off,...”

“...U.S. Govt. Print. Off.,...”

“...W.A.G. Skinner, Govt. Print.,...”

“...Scientific and Technical Information Branch, National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off,...”

“...Dept. of Health, Education, and Welfare, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute of Mental Health ; for sale by the Supt. of Docs., U.S. Govt. Print. Off,...”