Library of Congress, Prints & Photographs Division, [reproduction number, e.g., LC-B2-1234]
“Woman Rebel” Margaret Sanger spearheaded the birth control movement in the United States, coining the term “birth control” and opening the first birth control clinic in the country." (Library of Congress).
Library of Congress has a research guide on Margret Sanger and the birth control movement that can be found here.
This documentary by PBS is available on Amazon Prime Video but the transcript is available on the PBS website along with a description.