1
3
Book
4
5
6
7
Published: Würzburg : Schöningh, 1997
Book
8
Published: Aachen : Einhard, 1992.
Book
9
Book
10
Book
11
Book
12
Published: Frankfurt/M. : Brandes & Apsel, 1988.
Book
13
Book
14
15
16
17
Published: Köln : Pahl-Rugenstein, 1988.
Book
18
Book
19
20