. . . . "Margaret Sanger papers" . . . . . . . . . . . . . . . . . . . . . . . . . "Records and correspondence" . "Conference proceedings" . . . . . . . . . . . . . . "National Committee on Federal Legislation for Birth Control." . . "Liberalism." . . "Birth control Congresses." . . "Birth control Law and legislation United States." . . "Birth control Government policy United States." . . "Birth Control Federation of America." . . "American Birth Control League." . . "Margaret Sanger Research Bureau." . . "Birth control." . . "United States" . . . . "Birth control Societies, etc." . . "Planned Parenthood Federation of America." . . "Socialism." . . "Watumull Foundation" . . "Watumull Foundation." . "Sexual health." . . "Birth Control Clinical Research Bureau (New York, N.Y.)" . . "Social problems." . .