May-ling, Soong Chiang
Harper & Brothers, 1941
Buku Teks
Young, Dennis
The Urban Institute , 1972
Buku Teks
Bell, Mary Hayley, author
J.B. Lippincott, 1968
Buku Teks
Reimann, Brigitte
Berlin Aufbau 1963
Buku Teks
Glazarova, Jarmila
Praha Artia 1960
Buku Teks