Home › Authors › R. W. Allen 👤 R. W. Allen b. 1876 – d. 1921 · 5 books Books by R. W. Allen Practical vaccine treatment Practical vaccine treatment 1920 Practical vaccine treatment for the general practitioner 1919 The bacterial diseases of respiration, and vaccines in their treatment 1913 Vaccine therapy and the opsonic method of treatment 1908 The opsonic method of treatment 1907