The collection of Academia Sinica Materials currently hold by the Archives of the Institute of Modern History of Academia Sinica contains invaluable materials of modern Chinese history. The personal papers from former presidents Zhu Jiahua, Wang Shijie and Chien Shiliang in particular provide a rich source of information shedding light not only on the development of the Academia Sinica itself but also on the greater historical background against which it evolves as one of the most important cultural institutions of the Republican China. While the Archives of the Institute of Modern History has unswerving dedicated itself to the preservation and publication of these materials, it also make use of advanced technology to present them in digital way to facilitate and deepen our understanding of the history of the Academia Sinica as well as that of the Republican Era.