Small-pox and vaccination : a letter to the right hon. Lyon Playfair, C.B., M.P., F.R.S., &c., &c. : with reference to Mr. Hopwood's motion for the repeal of the compulsory clauses of the vaccination acts
Carpenter, William Benjamin, 1813-1885; Playfair, Lyon Playfair, Baron, 1818-1898