His rare collections included more than one thousand versions of Shi Jing from different periods in Chinese history, which was the largest at that time.
He also used many art-names (hào) and pen names in his work including Hanyin (寒隱), Laorang (老攘), Huangtian (黃天), Baoweng (葩翁), Cishi (慈石), Shiruo (時若).
[2] Gao was a leading figure of the South Society which was the largest literature and poetry organization during the late Qing dynasty and the early period of the Republic of China (ROC).
[citation needed] Gao's grandson Charles K. Kao was awarded the 2009 Nobel Prize in Physics for his groundbreaking achievements concerning fiber-optic communication.
In 1990s and 2000s, Gao's calligraphies and paintings has been shown in various antique auctions in Shanghai,[5] Beijing, Hangzhou, and Hong Kong and gained popularity.