Reitz, J.M. ODLIS : online dictionary for library and information science, July 28, 2014 (register: Also refers to a list of names, addresses, events, dates, etc., usually compiled in a single chronological or numerical sequence and maintained as an official log or record)
Thesaurus for graphic materials, via WWW, July 28, 2014 (Registers. UF Rosters. BT Books)
LCSH (Registers. Use subdivision Registers under names of countries, cities, etc., individual corporate bodies and families, and under classes of persons, ethnic groups, individual wars, and topical headings; and headings beginning with the word Registers, for lists of names of persons, organizations, objects, etc., without addresses or other identifying data)
Görlach, M. An alphabetical list of English text types, in Text types and the history of English, c2004: p. 69 (register: 1 written record or collection of entries, 2 official records of legal, parliamentary or public nature, 3 entry in register, 4 record-book (of baptisms etc.))

Lists of names, addresses, events, dates, etc., usually presented in a single chronological or numerical sequence.