 He wrote the biographies of the dukes of Guelders and Cleves and the counts of Mark, the "Limburg Chronicle", the story of Jacob of Baden, and the chronicle of the Counts of Thüringia, etc.He named these collections as "Farrago diplomatum et notationum pro historia".However, on the occasion of the 1744th inventory, three volumes (12, 19, and 23) were missing or were under the ownership of other institutions already, and of these, the volume No.