1. The Life of Jenner;Baron,1838
2. Pathologie des Herzens, II. Erkrankungen der Herzgefässe;Mönckeberg;Lubarsch-Ostertag Ergebn. d. allg. Path. u. path. Anat.,1930
3. Rössle, R.: 1919, quoted by Kirch, E. (see ref. 2).
4. Arteriosclerosis;Aschoff,1933
5. Observations on Angina of Effort;Wayne;Clinical Science,1933