湯德宗,《權力分立新論 卷一:憲法結構與動態平衡》(天宏:2014,增訂四版)(pp. 1~621) (ISBN 978-986-86987-6-5)
湯德宗,《權力分立新論 卷二:違憲審查與動態平衡》(天宏:2014,增訂四版)(pp. 1~589) (ISBN 978-986-86987-7-2)
Dennis Te-Chung. Tang, Dialogic Constitution:‧Constitutional Dialogue, Tang's Audiobook , Volume II (Taipei:2012,增訂二版)(pp. 1~607) (ISBN 978-957-41-8519-1)
Dennis Te-Chung. Tang, Dialogic Constitution:‧憲法對話:湯德宗憲法有聲書》上冊(新學林:2011,增訂二版)(pp. 1~437) (ISBN 978-957-41-8518-4)
Dennis Te-Chung. Tang,Proposal for Revising the Freedom of Government Information Act of 2006 (Taipei:Ministry of Justice, September 2009) (85 pages)(法務部委託研究,民98年9月)。(頁1~85)Dennis Te-Chung. Tang, Dialogic Constitution:‧憲法對話:湯德宗憲法有聲書》上冊(新學林:2007/12)(pp. 1~378) (ISBN 978-957-41-5902-2)
Dennis Te-Chung. Tang, Dialogic Constitution:‧Constitutional Dialogue, Tang's Audiobook , Volume II (Taipei:2007/12)(374 pages) (ISBN: 978-957-41-5219-3.)
Dennis T. C. Tang (with contributions from Ming-Yan Shieh, Ming-Cheng Tsai, Ming-Jye Huang, Chwen-Wen Chen, and Yuan-Hao Liao),〈A Comparative Study of Regulations Governing Research Misconducts〉(自刊,2007/3)(pp. 1~325) (ISBN 978-957-41-4423-5)
Dennis T. C. Tang,〈Restrictions on ACCESS TO Answer Sheets in National Examinations: A Critique of Section 23 of the National Examination Act〉(考試院:2005/12)。
Dennis T. C. Tang (with contributions from Wen-may Ren and Ji-ping Lin),〈An Empirical Study of Judicial Reform: An Investigation into Judges' Working Environment〉(司法院:2005/10)(pp. 1~108)
湯德宗,《權力分立新論— 卷一:憲法結構與動態平衡》(元照:2005,增訂三版)(pp. 1~626) (ISBN 986-7279-12-3)
湯德宗,《權力分立新論— 卷二:違憲審查與動態平衡》(元照:2005,增訂三版)(pp. 1~609) (ISBN 986-7279-13-1)
Dennis Te-Chung. Tang,《行政程序法論– 論正當行政程序》(元照:2003,增訂二版)(pp. 1~559) (ISBN 986-7787-45-5)
Dennis T. C. Tang,〈E-Government and the Implementation of the Administrative Procedure Act〉,(行政院經建會:2002年8月)(pp. 1~178)
湯德宗,《行政程序法論》(元照:2001)(pp. 1~433) (ISBN957-0332-62-X)
Dennis Te-Chung. Tang,〈Separation of Powers Revisited〉(自刊:1998)(pp. 1~673) (ISBN 957-97273-7-6)
Dennis Te-Chung. Tang,〈Proposals for Integrating Nature Conservation Functions of Various Central Departments into A Ministry of Environment: With Reflections on Practices in Japan, Germany, United Kingdom, Denmark and the Netherlands〉(行政院研考會:1998)(pp. 1~371) (ISBN957-02-3195-5)
Dennis T. C. Tang (with contributions from Chun-Seng Chen),〈Reforming Recycling in Taiwan: Lessons from the U.K., Germany, Sweden, Japan and U.S.A., in Research on Resources Recycling and Reuse Act〉(行政院研考會:1997)(pp. 1~423) (ISBN957-02-0729-9)
Dennis T. C. Tang (with contributions from Tze-shiou Chien & Chia-Ying Hong),〈A Study of US Public Contract Law -- Recommendations on Reforming the ROC Government Procurement System〉(行政院研考會:1995)(pp. 1~430) (ISBN957-00-2858-0)
湯德宗(主持)、周子敬(協同),《我國加入國際環保公約途徑之研究》(pp. 1~103)(行政院環保署:1993/6)。
Dennis Te-Chung. Tang,〈Introduction to American Environmental Law〉(pp. 1~202)(自刊,1990)
Dennis Te-Chung Tang, On the Feasibility of Economic Incentives in Taiwan’s Environmental Regulations: Lessons from the American Experience (Institute of European and American Studies, Academia Sinica, 1990) (pp. 1~551)