| Add/remove | ASC-ID | Country | Date | ID | Type | Tools |
| United States | 2154 | Address Files |
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| Austria | 1910 | 5498 | Concert Programs |
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| Germany | 1914 | 5544 | Concert Programs |
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| United States | 1953 | 3551 | Photos |
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| United States | 1953 | 3549 | Photos |
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| United States | 1934 | 3304 | Photos |
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| Germany | 1926 | 2856 | Photos |
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| United States | 1953 | 3517 | Photos |
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| Spain | 1932 | 3206 | Photos |
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| Germany | 1927 | 2861 | Photos |
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| United States | 2768 | Address Files |
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| United States | 1948 | 3536 | Photos |
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| Austria | 3816 | Documents |
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| France | 1927 | 2862 | Photos |
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| Germany | 2827 | Photos |
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| Austria | 1919 | 3799 | Teaching |
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| Germany | 1926 | 2858 | Photos |
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| Austria | 1919 | 4954 | Verein |
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| Austria | 1902 | 4892 | Concert Programs |
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| 4164 | Photos |
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| United States | 1948 | 3544 | Photos |
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| Italy | 1924 | 2842 | Photos |
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| United States | 1868 | Address Files |
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| United States | 1948 | 3512 | Photos |
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| Austria | 1924 | 3234 | Photos |
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| Austria | 1919 | 4919 | Verein |
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| Germany | 1911 | 5499 | Concert Programs |
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| Austria | 1890 | 3827 | Documents |
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| Germany | 2831 | Photos |
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| United States | 1948 | 3515 | Photos |
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| Spain | 1932 | 3058 | Photos |
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| United States | 1953 | 3520 | Photos |
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| Austria | 4223 | Photos |
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| United Kingdom | 2765 | Address Files |
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| United States | 1937 | 3715 | Photos |
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| United States | 1935 | 3345 | Photos |
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| Austria | 1930 | 5444 | Documents |
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| Germany | 1926 | 2855 | Photos |
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| Germany | 1926 | 2857 | Photos |
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| Austria | 1921 | 4983 | Verein |
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| United States | 2767 | Address Files |
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| 2757 | Address Files |
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| Austria | 1918 | 3734 | Teaching |
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| United States | 1949 | 3405 | Photos |
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| 2826 | Photos |
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| Argentina | 1941 | 5740 | Concert Programs |
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| Italy | 1924 | 5582 | Concert Programs |
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| Austria | 1911 | 4230 | Photos |
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