. . "folder\n\n1"@eng . . . "Morton Dannenbirsch letters"@eng . . . . "Morton Dannenbirsch letters"@eng . "Morton Dannenbirsch served with the U.S. Armed Forces during World War II and the letters describe his impressions of the first Seder conducted in Belgium after the Nazi occupation and how he traced and found some Dutch Holocaust survivors, which his family knew, in a concentration camp near Groningen, the Netherlands."@eng .