1. 1
    Published 1972
    ...U.S. Govt. Print. Office,...
    Serial
  2. 2
    Published 1965
    ...U.S. Govt. Print. Off,...
    Book
  3. 3
    Published 1960
    ...U. S. Govt. Print. Off,...
    Book
  4. 4
    Published 1971
    ...U.S. Govt. Print. Off.,...
    Government Document Book
  5. 5
    Published 1964
    ...U. S. Govt. Print. Off.,...
    Book
  6. 6
    Published 1964
    ...U.S. Govt. Print. Off.,...
    Book
  7. 7
    Published 1972
    ...The Survey : U.S. Govt. Print. Off.,...
    Book
  8. 8
    .... : [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]...
    Government Document Journal