In 1926 he returned to Bangor as the librarian of his old college. He continued Shankland 's work of collecting Welsh books and periodicals , and undertook'the task of classifying and cataloguing them. He then opened up a new area by obtaining for the library records of north Wales estates and preparing comprehensive and highly readable catalogues of them. Through the enormous labour of Thomas Shankland and Thomas Richards the Bangor college library became a first-class research centre for students of the history of Wales .
Thomas Richards had the gift of noticing people's idiosyncrasies and seeing the amusing aspect of a situation. He was unrivalled as a raconteur and a popular lecturer and broadcaster . He published several books besides those already mentioned and contributed articles to various works (77 articles by him appeared in DWB ). He wrote many articles for periodicals on the history of churches and personalities, sport and other topics. He was a deacon at Penuel (B) , Bangor , and was honoured as president of the Baptist Union of Wales in 1957 . He received the Medal of the Honourable Society of Cymmrodorion in 1958 and an hon. LL.D. degree of the University of Wales in 1959 . In 1912 he m. Mary Roberts of Nantlle ; they had two daughters. He d. 24 June 1962 and was buried in Bangor City Cemetery .