"[12] p.\n\nEnvelope 5/56 ; microfilm reel 058; Frames 419 - 440"@en . "Dirksen, Herbert von, 1882-1955"@en . . . . "990002466630304146"^^ . "Detailed dates of material: 1948, 1951-1956."@en . . . . "Newspaper clippings, bibliographical reference and biographical information."@en . . .