Columbia University Press,
History of the archbishops of Hamburg-Bremen
Gesta Hammaburgensis ecclesiae pontificum. English
Archbishops of Hamburg-Bremen
Records of civilization, sources and studies ;
Adam, von Bremen, 11th century.
Tschan, Francis Joseph, 1881-1957.
Adam of Bremen ; translated with an introduction and notes by Francis J. Tschan.
History of the archbishops of Hamburg-Bremen