Byzantinische Bleisiegel in Berlin (West) https://www.doaks.org/resources/seals/seals-bibliography/speck1986 https://www.doaks.org/@@site-logo/news-logo.png P. Speck (1987) Byzantinische Bleisiegel in Berlin (West) R. Habelt, Bonn. Keywords Bibliography, Byzantine seals URL http://www.worldcat.org/oclc/17107021