. . . "Clayton Macfie" . . "C."@en . "C. M. Switzer"@en . "Clayton" . "Clayton Macfie Switzer" . "Switzer"@en . "M."@en . "Macfie" . . "1929" . "C.M" . . "Clayton Macfie Switzer" . . "C.M Switzer" .