For other versions see Margaret Sanger Papers Microfilm: Smith College Collections, S71:274 and
Margaret Sanger Papers Microfilm,cLibrary of Congress, LCM 131:0489 LCM:493.
For other articles in the Britannica Book of the Year series, see:
"Birth Control," 1946-1958, see Margaret Sanger Papers Microfilm Edition:
Collected Documents Series: Birth Control,1944;
Birth Control, 1946;
Birth Control,…