المساهمون: Friedlaender, Israel , 1876-1920
الإتاحة: https://digitalcollections.jtsa.edu/islandora/object/jts%3A427408/datastream/TN/view/ARC%2039%20-%20Israel%20Friedlaender%20Papers.jpg
المساهمون: Marx, Alexander.
الإتاحة: https://digitalcollections.jtsa.edu/islandora/object/jts%3A405286/datastream/TN/view/Alexander%20Marx%20Papers.jpg