Citations:index rerum


 * 1876, Melvil Dewey, Classification and subject index for cataloguing and arranging the books and pamphlets of a library [First edition] (Hartford, Conn.: Case, Lockwood, & Brainard Company; 44 pages)
 * Though designed wholly for library use, the plan has proved of great service in preserving newspaper clippings in large envelopes arranged by class numbers; and more especially in taking the place of the common note-book and index-rerum.


 * 1885, Melvil Dewey, Decimal classification and relative index for arranging, cataloguing, and indexing public and private libraries and for pamphlets, clippings, notes, scrap books, index rerums, etc.: Second edition, revised and greatly enlarged (Boston: Library Bureau; 314 pages)
 * Experiments conducted in recent years hav resulted in several admirable devices for applying the system to scraps and index rerums.