Graphic methods in heart diseasede John HayMateriasCardiographyEdiciones (1)Graphic methods in heart disease (1909)Henry FrowdeMás obras de John HayWWho is God?Who is God?An answer to Gilbert Barkly's reply, the 2d of November, 1764Answers to a printed libel entitled, A representation to the public of affaires between Gilbert Barkly of Philadelphia and John Hay of Quebec
Answers to a printed libel entitled, A representation to the public of affaires between Gilbert Barkly of Philadelphia and John Hay of Quebec