Founder of the American birth control movement and, later, the Planned Parenthood Federation of America. DS, one page, 10.5 x 8.25, The Birth Control Clinical Research Bureau letterhead, December 15, 1937, signed by “Margaret Sanger” as Director and cosigned by the Bureau's medical director. In full: “This is to certify that Mothers Health Clinic, Berkeley, California, maintains the standards formulated by the Advisory Council of the Birth Control Clinical Research Bureau and is accepted as an affiliated and approved center for contraceptive information.” A gold-colored foil seal is affixed. In fine condition, with edge toning, a couple of small areas of trivial soiling. R&R COA.
