Formed by the union of social registers of various cities, including: Social register, Baltimore; Social register, Boston; Social register, Buffalo; Social register, Chicago; Social register, Cincinnati & Dayton; Social register, Cleveland; Social register, New York; Social register, Philadelphia; Social register, Pittsburgh; Social register, St. Louis; Social register, San Francisco; and: Social register, Washington.
A general index has been issued annually since 1908, under title: Social register locater.