found: Gerhardt, M.I. Zevenslapers en andere tijdverliezers, 1968
found: Huber, M. Die Wanderlegende von den Siebenschläfern, 1910
found: Dict. of the Middle Ages, c1988:v. 11, p. 212 (Seven sleepers of Ephesus)
found: New Cath. enc., c1967:v. 13, p. 140 (Seven sleepers of Ephesus; Christian legend, dating from perhaps the 6th cent.; a Christianization of a pagan or Jewish legend closely akin to tale of Rip Van Winkle)
found: Grande encycl.(Dormants, Sept)
found: Paul, H. Grundriss der germ. Philologie, 1901-09:v. 2, pt. 1, p. 891 (Legend von den Siebenschläfern; Septem dormientes)
found: Enc. Brit., 15th ed(Seven sleepers of Ephesus)
found: Grosse Brockhaus, 1934(Siebenschläfer; Sieben Brüder)
found: Chardry's Josaphaz, Set dormanz, und Petit plet, 1968:p. xv (Die Sieben Schläfer)
found: LC manual auth. cd.(hdg.: Seven sleepers)
found: La vie des set dormanz, 1977.
found: The anonymous Old English legend of the seven sleepers, c1994:p. 33 (De septem dormientibus)