"Turnbull, Stephen R." . . . "S. Turnbull's" . . "Turnbull, Stephen" . . . . . "Turnbull" . . . . . . . . . . . . . . . . . . . . . . . "Stephen Richard Turnbull" . . . . . . . "Stephen Turnbull (historian)" . "Stephen Turnbull (historian)" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Stephen Turnbull" . . . . . . . "S. R. Turnbull" . . . "1948" . . . . . . . . . "Stephen R. Turnbull" .