Juz̆nye Slavjane i Vizantija vo vtoroĭ c̆etverti XIV veka. Parts I & II
Florinskiĭ, Timofei Dmitrievich.
London Variorum Reprints
1973
Russian text, English introduction
Facsimile reprint of 1st ed. originally published in 2 vols. S.- Peterburg: Kirshbaum, 1882
Bibliographyp.[10-11]
Byzantine Empire