Mr. Spear's report to the Local Government Board upon recent prevalence of diphtheria and "croup" in the Stalybridge urban sanitary district, and upon the general sanitary circumstances of the district / [John Spear].

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Mr. Spear's report to the Local Government Board upon recent prevalence of diphtheria and "croup" in the Stalybridge urban sanitary district, and upon the general sanitary circumstances of the district / [John Spear]. Public Domain Mark. Source: Wellcome Collection.