龔德柏

中國世界大戰 by: 龔德柏 (Electronic resources)

空軍足以摧毀日本論 / by: 龔德柏 (Language materials, printed)

又是愚話 by: 龔德柏 (Electronic resources)

西原借款真相 by: 勝田主計; 龔德柏 (Electronic resources)

中國必勝論 by: 龔德柏 (Electronic resources)

蹇蹇錄 : = 日本侵略中國外交秘史 / by: 陸奧宋光; 龔德柏 (Language materials, printed)