1. John hay – friend of giants;McFarland,2017
2. All the great prizes – the life of john hay from lincoln to roosevelt;Taliaferro,2013
3. Diphtheritic myocarditis;Boyer;N Eng J Med,1948
4. The life story of presley marion rixey: surgeon general, U.S. Navy, 1902 –1910;Rixie,1930
5. Letters of john hay and extracts from his diary;Hay,1969