第一講
Lecture 1
「中國近現代歷史上的三個基本問題」
(普通話主講)
第二講
Lecture 2
“The Debate of 1919 between Hu Shi (胡適) and Li Dazhao (李大釗) Concerning the Question of ‘Problem vs. Isms’ and Its History Implications”
(In English)