"Emmons" . "Johnston"@en . "Johnston, David E. (David Emmons)" . "D. E. Johnston" . . "Johnston"@fr-FR . "JOHNSTON" . "David Johnston" . . . "David Edward Johnston" . "E."@en . . . "David E. Johnston"@en . "David"@en . . . "Edward" . "D. E." . "David Emmons Johnston" . "Johnston, David E. (David Edward)" . "David E. JOHNSTON" . . "1950" . . .