Mr. W.H. Power's report to the Local Government Board on diphtheria in Pirbright, and on the influence of the school there in the behaviour of the disease / [W.H. Power].

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Mr. W.H. Power's report to the Local Government Board on diphtheria in Pirbright, and on the influence of the school there in the behaviour of the disease / [W.H. Power]. Public Domain Mark. Source: Wellcome Collection.