. "3791"^^ . . . "59167394"^^ . . "1111041012"^^ . . . . . "Clarence V. Opper (April 13, 1897 \u2013 June 19, 1964) was a judge of the United States Tax Court from 1938 to 1964."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Clarence V. Opper"@en . . . . . . . . . . . . . . . "Clarence V. Opper (April 13, 1897 \u2013 June 19, 1964) was a judge of the United States Tax Court from 1938 to 1964."@en .