Santa Paravia (19xx)(Andreas Ziermann & Dirk Ambras)[a]
Santa Paravia & Skat (19xx)(A. Grimm, B. Schindler)[2-in-one]
Santa Paravia (19xx)(A. Grimm, B. Schindler)
Trafo-Berechnung (19xx)(Dirk Ambras)
MicroWORD V1.7 (19xx)(Dirk Ambras)(en)[without Assembler]
Mathe (19xx)(Dirk Ambras)