 Krynauw built up his own heraldry collection, and after his death, the two collections were placed in a Cape Town museum, from where they were transferred to the South African Library (now National Library of South Africa – Cape Town Campus) in 1946.The material in the Bell-Krynauw Collection was eventually published in Cornelis Pama's "Die Wapens van die Ou Afrikaanse Families" (1959), and his later heraldry books.Bell designed the arms of the South African College (now University of Cape Town), and the "three anchors" badge of the South African Mutual Life Assurance Society ("Old Mutual"), of which he was chairman at one time.