Wellesz, Egon (1947). “The Nativity Drama of the Byzantine Church”. Journal of Roman Studies (Society for the Promotion of Roman Studies) 37: 145–151. doi:10.2307/298465. JSTOR298465.
Wellesz, Egon (1947). “The Nativity Drama of the Byzantine Church”. Journal of Roman Studies (Society for the Promotion of Roman Studies) 37: 145–151. doi:10.2307/298465. JSTOR298465.