They wrote hagiographies, panegyrics, acolouthia, poetry, liturgical hymns, treatises on church music, etc. The religious books included praising epistles, passionals, hagiographies, and hymns. Legends and hagiographies, mistaking it for a personal name, suggest fanciful etymologies. He wrote a number of sermons, liturgies, and hagiographies, including a "Praising epistle for Euthymius". Examples include hagiographies such as the stories of Saint George or Saint Valentine. In Europe, hagiographies, or "lives of the saints", are frequent among early medieval texts. The Byzantine painting concentrated mainly on icons and hagiographies. His hagiographies in Greek and Church Slavonic were first published, respectively, in 1690 and 1802. Arabic and Georgian hagiographies also survive. Marnavich was a translator of medieval texts, particularly hagiographies. The mythology and folklore surrounding their patronage can be found in their respective hagiographies. He is immortalized by his hagiographies and his own texts. His biography has been derived from mentions of him in secondary literature and inconsistent hagiographies. When Ekajati appears to yogis in hagiographies, she is especially wrathful. The Cappadocian Fathers produced some of the earliest hagiographies in the region.