This series consists of correspondence, family- and health-related materials, financial investment records, income tax returns, writings and notes related to Reed Erickson's personal life. In particular, this series includes materials documenting Erickson's drug-related arrests in California and his years living in Mexico. This series also includes a number of Erickson's diary-like writings and handwritten notes describing his thoughts and feelings.

This series consists of pamphlets, clippings, journal articles, and other informational material about transgenderism, transsexualism, gender dysphoria, gender identity and related subject matter. It includes publications by other gender identity research organizations that existed at the time, including Interplast, Outreach Institute, Janus Information Facility, and Sex Information and Education Council of the United States (SIECUS).