References Detail back created at: 2017-11-11 Media Type: Article in Journal Author Van de Walle, R. Year: 1982 Title: Bewerkt been, gewei, hoorn en ivoor Volume: 6(2) Page No: 2-36 JournalStadsarcheologie Keywords European timeline Middle Ages Super Region Europe Assemblage Type town Material antler, bone, horn, ivory / teeth Miscellaneous worked bone back