"1901Z"^^ . "1970-12-07Z"^^ . . "Ledger Wood"@en . "1901-09-04Z"^^ . "Wood, Ledger"@en . "1970Z"^^ . "Ledger Wood (September 4, 1901 \u2013 December 7, 1970) was a twentieth-century American philosopher."@en . "twentieth-century Americanphilosopher" . .