1
Published: 2012,, c1962.
Superior document: Südosteuropa-Studien ; 1
2
Published: 2012,, c1968.
Superior document: Südosteuropa-Studien ; 10
3
4
Published: 1988
Superior document: Südosteuropa-Jahrbuch 18
5
Published: [1960]
6
Published: 1989
Superior document: Südosteuropa aktuell 7