​Letter to the Editor, New York Times, 2/20/1989, 4/17/2001, 12/17/2002, 11/3/2004.
Letter to the Editor, Pittsburgh Post-Gazette. 3/11/2011.
Opinion essay for South China Morning Post, Hong Kong. 8/15/2017.
Concert program note for Seattle Symphony concert. 2/11/2018; 1/27/2019; 3/8/2020; 4/29/2021
2024        《宋代音乐资料及其诠释》序言。 音乐探索 2024（04），页码05-07+33.
2017           “琴人蔡德允與琴曲《瀟湘水雲》” (Tsar Teh-Yun and the qin composition The Water and Mist of the Rivers Xiao and         
                       Xiang). 灼見名家 (Digital Magazine, Hong Kong). 12/18.
2017        “蔡德允老師的文人琴氣質”(The essence of literati qin in Tsar Teh-yun). 灼見名家 (Digital Magazine, Hong
                     Kong). 2/1.
2016    “  粵劇界歷史性照片” (Historical photos in Hong Kong’s Cantonese operatic
        circle). 灼見名家(Hong Kong). 12/31
2016    “  中國傳統戲的未來”(The future of Chinese traditional operas). 灼見名家
        (Hong Kong). 12/19
2016    “  懷念上環富隆茶樓”(Remembering Fu Long Teahouse in Sheung Wan). 灼見名家(Hong Kong). 11/26.
2016    “  趙如蘭在香港的日子”(Rulan Chao Pian in Hong Kong). 灼見名家(Hong Kong). 11/15.