1Benjamin Vaughan to Martha Jefferson Randolph, 23 June 1819 (Jefferson Papers)
I presume to send you the inclosed, the writer of which seems to wish to put the religious party on his side.— A new attack has been made on vaccination by a certain D r Brown in Scotland ; but the sum total of it is, want of candor in argument, & the use of spurious kine pox in practice. D r Jenner , D r