The epistle of humanity of Emperor Zär'a Ya'qob : Tomara Tesbe't - Zarʼā Yā‘qōb, <re d'Etiopia>. (OLS)http://semarc/name/116103; Haile, Getatchew, <1931- >. (OLS)http://semarc/name/10132 (In aedibus Peeters, 1991)