Dr. Blaxall's report to the Local Government Board upon an outbreak of diphtheria at Berkhampstead, Herts, and upon the sewerage of the town / [F.H. Blaxall].

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Dr. Blaxall's report to the Local Government Board upon an outbreak of diphtheria at Berkhampstead, Herts, and upon the sewerage of the town / [F.H. Blaxall]. Public Domain Mark. Source: Wellcome Collection.