References to research in journal articles, books, parts of books, pamphlets, and bulletins "published since 1900 in which some manifestation of marriage or the family figured". Alphabetical arrangement by primary authors. Entries include bibliographical information and reference codes. Indexes by keywords, subjects, and authors. Include list of over 1000 periodicals cited. V. 1: 12,850 references; v. 2: 12,870 references.