found: Work cat.: Adz (San Francisco, Calif.). The adz, 1970(Consists of gay personals for the San Francisco Bay Area)
found: Merriam-Webster dictionary online, Apr. 17, 2018(personal, noun: def. 1: a short newspaper paragraph relating to the activities of a person or a group or to personal matters; def. 2: a short personal communication in a special column of the classified ads section of a newspaper or periodical)
found: COBUILD advanced English dictionary, via Collins English dictionary online, Apr. 17, 2018(personals, plural noun: The section in a newspaper or magazine that contains messages for individual people and advertisements of a private nature is called the personals. Regional note: in BRIT, usually use personal column)
found: Webster's new world college dictionary, via Collins English dictionary online, Apr. 17, 2018(personal, noun US a. a short, personal communication placed as in a newspaper b. a classified advertisement placed for the purpose of seeking someone to date or have a personal relationship with c. [pl.] a section of such advertisements, as in a newspaper)
found: Forney, E. Lust : kinky online personal ads from Seattle's The stranger, 2008.
found: Preston, J. Classified affairs : a gay man's guide to the personal ads, ©1984.
found: Cocks, H. Classified : the secret history of the personal column, 2009.
found: Skins, Jan. 1989:p. 3 (personal classified ads)
found: LCSH, Apr. 17, 2018(Personals. UF Advertising, Personal; Agony columns; Newspapers--Sections, columns, etc.--Personals; Personal ads; Personal advertising. BT Advertising, Classified)