Bing found the following results
Medieval China: Chinese Civilization in an Age of Change - TimeMaps
History of China - Wikipedia
Middle-Period China - Chinese Studies - Oxford Bibliographies
Early Medieval China and the Makings of Chinese Civilisation
Qin dynasty | History, Facts, & Achievements | Britannica
Early Medieval China | Taylor & Francis Online
Medieval China: Thought and Culture | TimeMaps
Medieval China, A Golden Age: A Complete Overview - YouTube
Early Medieval China: A Sourcebook on JSTOR
Early Medieval China | Columbia University Press