---

U.S. participation in 1972 United Nations Conference on Human Environment. Hearing, Ninety-first Congress, first session, on H. Res. 523 and H. Res. 562 ... November 13, 1969.

Publisher: Washington: U.S. G.P.O.,
Coverage: Washington, U.S. Govt. Print. Off., 1970.

Volumes:

U.S. participation in 1972 United Nations Conference on Human Environment. Hearing, Ninety-first Congress, first session, on H. Res. 523 and H. Res. 562 ... November 13, 1969. ()