Chevalier, Haakon, 1902-1985. Oppenheimer; the story of a friendship, by Haakon Chevalier. - New York, Braziller [1965] - xvi, 219 p. 22 cm. LCCN: 65023175 LC Class. No.: QC16.O62 C5 / C5 Dewey Class. No.: 323.20973