Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Bayer, T. S. (Theophilus Siegfried) and Constantine VII Porphyrogenitus, Emperor of the East and Kondratovich, Kirii︠a︡k","Феофила Сигефра Беера, бывшаго профессора восточной исторiи и языковъ Географiя россiйская изъ Константина Порфирогенита, то есть Багрянороднаго или Порфироднаго = Theophili Sigefri Beeri quondam professoris historiae orientalis et linguarum orientalium in Academia Petropolitana Geographia Russica ex Constantino Porphirogenito",,General Microfilm Company,,Eighteenth-century Russian publications,,,,https://cir.nii.ac.jp/crid/1130282269262694528