"Kerr" . . "1921" . . . . . . "R. Kerr" . . . "1983" . "1983-11-15" . "1921-02-01" . . . . . . . . . . . . . . . . . . . . . . . . . "Russell Kerr" . "Russell Whiston Kerr" . "Russell Kerr" . . .