Series II: Presidents' Files, 1943-1990, is divided into two sub-series. Sub-series A: Jay Rubin Files, includes biographical material on Rubin, administrative files of the HTC, and files reflecting his interests in health care issues and in hotel-worker organizing efforts in Puerto Rico. Sub-series B: Vito Pitta Files, contains files of Rubin's successor as president. The sub-series consists mainly of Pitta's "Daily Files" (or work logs) for 1982-1986, and also includes "Daily Files" of several other HTC staff members.