"1929Z"^^ . "Overdyke, William Darrell"@en . . "1907-08-07Z"^^ . . "American historian" . . "1907Z"^^ . "William Darrell Overdyke"@en . "1973Z"^^ . . . . . . "William Darrell Overdyke (August 7, 1907 \u2013 June 21, 1973) was an American historian known particularly for his work on 18th- and 19th-century plantation homes in his adopted state of Louisiana as well as the anti-immigration Know Nothing political party in the American South."@en . . . . . "1973-06-21Z"^^ . . . . "1973Z"^^ . . .