1
2
Published: 1948
Superior document: Trudove na Sekcijata za Slavjanska Archeologija / Bălgarska Akademija na Naukite, Archeologičeski Institut 2
3
Published: 1974
Superior document: Carevgrad Tărnov Tom 2
4
Published: 1973
Superior document: Carevgrad Tărnov Tom 1
5
Published: 1961