This series documents Libby Post's lobbyist work for the Equal Rights Amendment, and includes Post's handwritten notes from meetings of the ERA "Working Group", memos from May Newburger (as chairperson), studies and reports on the ERA, and statistics on support of groups and organizations. It also includes editorials on the ERA, news clippings of the NYS Assembly debate on, and the Senate rejection of, the ERA, notes from an ERA press conference, and the records of the press conference with then Democratic Governor Mario Cuomo regarding ERA.