APS Journals is a full-text database of all scholarly journals and publications from the American Physical Society, a leading publisher in the field of physics. Includes complete coverage for Physical Review Series I-II (1893-1960) and Series III (1960-present) Phys. Rev. sub-journals; Physical Review Letters; Reviews of Modern Physics; and the open-access magazine Physics. Physical Review Series I-II are available in the Physical Review Online Archive (PROLA), which is included in the APS Journals database.