. . "1900 - 1999" . . . . . . . "Grant Wood and Marvin Cone : artists of an era"@en . "Grant Wood and Marvin Cone : artists of an era" . . . . . . . . . "Grant Wood and Marvin Cone artists of an era"@en . . . "Grant Wood and Marvin Cone : Artist of an era" . "Criticism, interpretation, etc" . . . . . . "Grant Wood and Marvin Cone, artists of an era" . . "Grant Wood and Marvin Cone; artists of an era" . .