A companion to Byzantine science

Brill's companions to the Byzantine world 6
Leiden ; Boston : Brill, [2020]
Umfang/Format: xv, 658 pages ; 25 cm.

Church & learning in the Byzantine Empire, 867-1185

von Hussey, J. M. (Joan Mervyn), 1907-2006
London : Oxford University Press, H. Milford, 1937.
Umfang/Format: ix, 259 pages : illustrations, maps ; 23 cm.