默克勒 ((Merkle, Rolf))

當生活成為負擔 / by: 默克勒 ((Merkle, Rolf)); 王勻煦; 蔣仁祥; Merkle, Rolf (Language materials, printed)

心靈成長自助計畫 / by: 沃爾夫 ((Wolf, Doris)); 默克勒 ((Merkle, Rolf)); 胡慧琴; 賴升祿; Wolf, Doris; Merkle, Rolf (Language materials, printed)