Segers-Glocke, Christiane [Editor]; Niedersächsisches Landesamt für Denkmalpflege [Editor]; Institut für Denkmalpflege [Editor]; Balck, Friedrich [Oth.]: Arbeitshefte zur Denkmalpflege in Niedersachsen: Aspects of mining and smelting in the Upper Harz Mountains (up to the 13th/14th century) - in the early times of a developing European culture and economy (St. Katharinen: Scripta Mercaturae Verl., Heft 22.2000)

Fig. 2
„Krodo-Altar“, first half of the 12th century, originally given to the church of St. Simon
and Judas in Goslar, now being kept in the Goslar Museum.