The Margaret Sanger Papers Project has produced a two-series microfilm edition along with a printed reel guide and index: the Margaret Sanger Microfilm Edition: Smith College Collections and the Collected Documents Series. The microfilm was published University Publications of America, now a division of Proquest. On online edition of the Project's microfilm is available through Proquest's History Vault.
The Library of Congress' collection of Sanger's papers was microfilmed in 1977.
Th documents on this site which were microfilmed are preceded the name of the microfilm edition, followed by an "S" "C" or "LCM" followed by the reel and frame number.