扬州十日、嘉定三屠为许多史料记载的清军入关后的两大暴行，而产生这些暴行背后的深层次原因，是个历史之谜。《嘉定忠臣—十七世纪中国士大夫之统治与社会变迁》作者美国麻省大学阿莫斯分校历史与东亚语言文化系教授邓尔麟运用大量的原始文献、中外研究资料，从理性、客观的角度，以明末嘉定侯氏、黄氏家族的儒士为中心，全面解读明末清初文人儒士在清军人关后作出抵抗抉择的深层次原因，即他们的生平，所处的经济、文化、社会背景，他们的科考和任官经历、思想和交际、与地方社会的关系等交织在一起的各种原因，为我们揭示了明末清初那段历史的另一个真相。（Yangzhou Ten Days, Jiading Three Massacres are the two well-documented atrocities after the Qing dynasty army entered Shanhaiguan, however the deep-seated reasons behind these atrocities are a historical mystery. Jerry Dennerline, the author of The Chia-ting Loyalists Confucian Leadership and Social Change in Seventeenth-Century China and also a professor of History and East Asian Languages and Cultures Department of University of Massachusetts Amherst of USA , with original documents, a large number of Chinese and foreign research data, from a rational and objective angle, centering on Confucian of Huang and Hou family in Jiading at the end of Ming Dynasty, comprehensively interprets the deep-seated reasons why Confucian and Scholars in late time of Ming and early Qing Dynasty decided to resist Qing dynasty army after the army entered Shanhaiguan, including intertwined reasons from their life, the economic, cultural and social background, their expedition and the experience of commission, thinking and communication, and the relationship of local society, reveal another truth in late Ming and early Qing Dynasty history for us.）