Mr. Spear's report to the Local Government Board upon the prevalence of diphtheria and croup in the registration sub-district of Pontypridd, and upon the sanitary condition and administration of the sanitary areas therein contained.

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Mr. Spear's report to the Local Government Board upon the prevalence of diphtheria and croup in the registration sub-district of Pontypridd, and upon the sanitary condition and administration of the sanitary areas therein contained. Public Domain Mark. Source: Wellcome Collection.