Constitutiones et Acta Publica Imperatorum et Regum. [911-1348] / 
[Collections of Laws, &c. - I.] (Germany)
Weiland, Ludewicus.
Schwalm, Iacobus.
Salomon, Ricardus.
Hannoverae, 
1893-1926.
Wanting vol. 6, pt. 2, vol. 7.