Die alten Siegel der Stadt Köln
By: Toni Diederich.
Series: Aus der Kölner Stadtgeschichte
Publisher: Greven
Published: 1980
Place of publication: Köln
Language: ger
Number of pages: 104
Subjects: Seals (Numismatics) -- Germany -- Cologne.
Notes: Bibliography: p. 99-101.