Series episcoporum Ecclesiae Catholicae occidentalis ab initio usque ad annum MCXCVIII. Series V: Germania, 1: Archiepiscopatus Coloniensis; 2: Archiepiscopatus Hammaburgensis sive Bremensis curaverunt Stepfan Weinfurter et Odilo Engels (Stuttgart, Anton Hiersemann, 1982 y 1984), xii-20S y xi-90 págs.
