The book Paul ​ — His Story observes: “It seems logical to attribute the creation of communities at Smyrna, Pergamum, Sardis and Philadelphia to the missionary initiative of Ephesus....
Raamatus „Paul – His Story ” täheldatakse:„ Tundub olevat loogiline, et Smürna, Pergamoni, Sardese ja Filadelfia koguduse rajamine algatati tänu Efesosest lähtunud misjonitegevusele....