Jürg Speerli
发表
Anton Schleiss,
Jürg Speerli,
Roger Pfammatter,
2014
.
Jürg Speerli,
1998
.
Willi H. Hager,
Jürg Speerli,
J. Speerli,
2000
.
Max Bosshard,
Jürg Speerli,
Sabri Deniz,
1990
.