. . . "11 letters"@en . . "Dr Walter Koenig was a US-American psychiatrist who treated Holocaust survivors in Los Angeles after the Second World War."@en . . . . "Correspondence regarding the receipt of books and other material on psychiatric effects of Nazi persecution on concentration camp survivors."@en . "Correspondence with Koenig, Walter"@en . . "WL3000/9/1/789" . "This material has been digitised. Readers should book a reading room terminal to access it."@en . .