1. Die qualitative Blutlehre;Arneth,1920
2. Encyclopædia Britannica;Barcroft,1929
3. Observations on the Size of the Spleen;Barcroft;Journ. Physiol.,1927
4. Some Principles of Hæmatology;Blount;Veter. Record,1930
5. Blood in Health and Disease;Buchanan,1909