Encyc. Britannica, micropaedia (Longinus; fl. early 1st cent. A.D.; name sometimes assigned to the author of On the sublime)
Grant, M. Greek & Latin authors, 1980 (Longinus; name traditionally assigned to the Greek literary critic who wrote the treatise On the sublime (Peri hupsous); incorrectly identified as Dionysius Longinus, Dionysius of Halicarnassus, or Cassius Longinus, ca. 213-273; the author lived in the earlier part of the 1st cent. A.D.)
His Del sublime, c1991 t.p. (Dionisio Longino)
His On the sublime, 1984 CIP t.p. (Longinus)
Oxford classical dict. (Longinus, Ps.-Longinus; name commonly assigned to the unknown author of On the sublime, owing to its long but mistaken association with Cassius Longinus; was probably a first-century rhetor (fl. A.D. 890?))
Papyros Larous (under the name Longinos passes the work Peri hypsous [On the sublime], a work of the first part of the 1st cent.; not by Kassios Longinos)
Pauly-Wissowa subheading under "Longinos," the neoplatonist philosopher of 3d cent. (Pseudo-Longinos, author of On the sublime, who cannot possibly be correctly identified with any known real Longinus)
