"Thomas Addis (1881-1949), Scottish Pioneer in Haemophilia Research", a 2003 article about Addis's early studies on haemophilia in The Journal of the Royal College of Physicians in Edinburgh.
Thomas Addis (1881—1949), Scottish Pioneer in Haemophilia Research  (недоступная ссылка с 05-09-2013  — история, копия), a 2003 article about Addis’s early studies on haemophilia in The Journal of the Royal College of Physicians in Edinburgh.