. . "William Frederick ZIMMERMAN" . . . "1938" . "Zimmerman, William F. (William Frederick)" . . . "Frederick"@en . "William"@en . "William Frederick Zimmerman"@en . "William F. Zimmerman"@fr-FR . . "ZIMMERMAN" . . "William Zimmerman" . "Zimmerman"@fr-FR . . "Zimmerman"@en . . "F." .