Modern Chinese and Western Intellectual Thoughts;
Western Historiography and Historical Theories;
Sino-Western Cultural Exchange;
Modern German History;
Sino-German Relations.

• (edited) with Adrian Bailey. Asia and China in the Global Era. Oldenbourg: De Gruyter, 2021

• (edited) with Clara Ho and Yue-him Tam. Voyages, Migration and the Maritime Silk Road. Oldenbourg: De Gruyter, 2018.

• (edited) with Ming Chan, Danny Paau and Chi Kin Au. Selected Essays on China, Asia and the World (Zhongguo, yazhou yu shijie: guoji yanshu xuanlun 中國, 亞洲與世界：國際研述選論). Hong Kong: City University Press, 2018.

• (edited) New Perspectives on Maritime Defense of Modern China (Zhongguo jindai haifangshi xinlun近代中國海防史新論). Hong Kong：Joint Publishing Co. Ltd., 2017.

• Chinese Martial Arts in Hong Kong (Zhige weiwu: zhonghua wushu zai xiangjiang 止戈 為武：中華武術在香江). Hong Kong: Commercial Publishing Co. Ltd., 2016.

• (edited) with Kam Keung Lee. A Collection of Essays in Commemoration of the Centenary of the 1911 Revolution (Gonghe weixin: xinhai geming bainian jinian luwenji 共和維新：辛亥革命百年紀念論文集). Hong Kong: City University Press, 2013.

• (edited) with Iwan Michelangelo D'Aprile. Aufklärung-Evolution-Globalgeschichte. Hanover: Wehrhahn Verlag, 2010.

• (edited) Transmitting the Ideal of Enlightenment Chinese Universities since the Late Nineteenth Century. Lanham: University Press of America, Inc., 2009.

• Plus eight other monographs and edited volumes and over sixty articles and reviews.