Ephesus ...Sorcery had been prohibited by the Mosaic law, on pain of ... time to time it had been secretly practiced by apostate Jews ... An attempt was made by "seven sons of one ... //christianbookshelf.org/white/the acts of the apostles/lesson 27 ephesus.htm
Acts xix. 8, 9 ... perierga were arts connected with this sorcery and the ... believers (pon pepisteukoton) who still practiced magic come ... to be "these exorcists" the sons of Sceva... /.../chrysostom/homilies on acts and romans/homily xli acts xix 8.htm
Nave's Topical Index
Acts 19:14,15 And there were seven sons of one Sceva, a Jew, and chief of the priests, which did so. Nave's Topical Index