Dr. S.W. Wheaton's report to the Local Government Board on the sanitary circumstances of the Bettws-y-Coed rural district, and on the prevalence of enteric fever and diphtheria in the district / [S.W. Wheaton].

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Dr. S.W. Wheaton's report to the Local Government Board on the sanitary circumstances of the Bettws-y-Coed rural district, and on the prevalence of enteric fever and diphtheria in the district / [S.W. Wheaton]. Public Domain Mark. Source: Wellcome Collection.