Autograph Letter Signed to unnamed correspondent on medical matters, including vaccination.

Three pages, 8vo, some damage, but text clear and complete, tear at fold of bifolium despite attempt to repair with sellotape., He has been asked by a friend to get an answer about the diseases of camels, quoting his enquiry in which one, Photoshootui (if I read the word right), is described, and referring to ancient sources and Native opinion. His correspondent is engaged in a popular treatise, or history, of vaccination. Hallam hopes for references to Western books that might give information.