. "Biography"@en . "Biography" . "The life of John Heysham, M.D., and his correspondence with Mr. Joshua Milne relative to the Carlisle bills of mortality"@en . . "The life of John Heysham, M.D and his correspondence with Mr. Joshua Milne relative to the Carlisle bills of mortality"@en . "The life of John Heysham, M.D. and his correspondence with Mr. Joshua Milne relative to the Carlisle bills of mortality" . . . . . "Records and correspondence"@en . "Records and correspondence" . . . . . . "Statistics"@en . "Statistics" . . . . . . . . "Mortality history." . . "Carlisle (England)" . .