This series contains mostly articles and other writings on Dorothy Brush and Margaret Sanger. Brush authored many of the materials relating to Sanger and wrote pieces on J. Noah Slee, Sanger's husband. The trip sketches reports on the birth control missionary work of Sanger and Brush in Japan, China, Indonesia, Sweden, Haiti, and various other countries.

This series consists of correspondence arranged alphabetically.

This series consists of correspondence, largely dating from the 1950s and 60s, arranged alphabetically. Much of the correspondence involves Brush's activities with Margaret Sanger and the International Planned Parenthood Federation. The folder list contains cross-references to these and other related materials located elsewhere in the collection. Significant correspondents include C.P. Blacker, Barbara and George Cadbury, Dr. Clarence J. Gamble, Margaret Grierson, Vera Houghton, Shidzue Ishimoto Kato, Edris Rice-Wray, Margaret Sanger, and Ellen Watamull.

Unpublished manuscripts and plays written by Brush during the later half of her life make up the bulk of this series. The manuscripts and plays vary in their completeness, some containing full drafts, others only notes and brief stories. Her manuscript on menopause, co-authored with Hester Hoffman, is especially interesting because of its surveys of individual women and their personal experiences with menopause. Although the manuscript on Japanese women in history was never published, Brush's work provided a basis for Mary Ritter Beard's later book, The Force of Japanese Women in History (1953). This series also includes articles by Brush, largely pertaining to family planning and her work with IPPF, and speeches from her activities with Margaret Sanger and IPPF.

This series reflects Brush's work in IPPF as newsletter editor and then as the Honorary Advisor for Field Work Services. There is a near complete run of Around the World News of Population and Birth Control from 1952 through 1963 when the title changed to International Planned Parenthood News. In addition to the English language version of the newsletter, there are select issues of the Dutch, German, Italian, and Spanish versions. "Field reports and correspondence - Member countries" contains other language versions of the newsletter as well as first-hand assessments of the politics and events surrounding family planning and birth control efforts in IPPF member countries and elsewhere.

This series consists of pamphlets, articles and other publications on various topics, including birth control, women's health, marriage, and the family. Many of the publications were authored by organizations related to the Catholic Church and these are in their own subseries. There are also materials on birth control and population issues in China and Japan, most of which are written in the respective language. Photographs of a birth control-themed rug that Brush owned can be found in this series and the original is shelved with Oversize Materials.