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For an earlier entry in the same series, see "Birth Control, 1929." For a draft version see Margaret Sanger Papers Microfilm, Library of Congress, LCM 76:249.

For the essay published in the 1933 volume, see "Birth Control," 1933.

For an earlier draft, see Margaret Sanger Papers Microfilm, Library of Congress, LCM 129:94; for identical versions, see LCM 129:098B and 129:101.

For other articles in the Britannica Book of the Year series, see "Birth Control," 1947-1958 see Margaret Sanger Papers Microfilm Edition: Collected Documents Series: 1947; 1949; 1950;…