This primary source comes from the Collection GRF-0126: Sheila R. Weidenfeld Files (Ford Administration).
Full Citation: Letter to Sheila Weidenfeld from Mrs. H.E. McCage and Mrs. F.L. Coulter about Betty Ford and the ERA; 2/25/1975; Women - Equal Rights Amendment - Samples of Public Mail (2); Sheila Weidenfeld's General Subject Files, 1974 - 1977; Collection GRF-0126: Sheila R. Weidenfeld Files (Ford Administration); Gerald R. Ford Library, Ann Arbor, MI. [Online Version, https://docsteach.org/documents/document/letter-sheila-weidenfeld-from-mccage-coulter-about-betty-ford-era, October 13, 2024]