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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 40 (1); 45 (2); 46 (1, 2); 47 (1, 2); 48 (1, 2); 49 (1, 2); 50 (1, 2)
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Portico
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Preserved
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2026-04-23
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Preserved : 2009: 1(1), 2015: 2(1), 2009: 3(1), 2009: 4(1), 2009: 5(1), 2009: 6(1), 2009: 7(1), 2009: 8(1), 2009: 9(1), 2009: 10(1), 2009: 11(1), 2009: 12(1), 2009: 13(1), 2009: 14(1-2), 2009: 15(1-2), 2009: 16(1-2), 2009: 17(1-2), 2009: 18(1-2), 1994: 19(1-2), 1995: 20(1-2), 2009: 21(1-2), 2009: 22(1-2), 2009: 23(1-2), 2009: 24(1-2), 2009: 25(1-2), 2007/2009: 26(1-2), 2007: 27(1-2), 2007/2009: 28(1-2), 2007/2008: 29(1-2), 2007/2008: 30(1-2), 2007: 31(1-2), 2008: 32(1-2), 2008/2009: 33(1-2), 2009/2011: 34(1-2), 2010: 35(1-2), 2011: 36(1-2), 2012: 37(1-2), 2013: 38(1-2), 2014: 39(1-2), 2015: 40(1-2), 2016: 41(1-2), 2017: 42(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 2018: 43(1-2), 2019: 44(1-2), 2020: 45(1-2), 2021: 46(1-2), 2022: 47(1-2), 2023: 48(1-2), 2024: 49(1-2), 2025: 50(1-2), 2017: 2017(2)
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Library of Congress
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Preserved
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2025-04-07
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2 (1); 19 (2); 20 (2); 39 (1, 2); 40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 3); 44 (1, 2); 45 (1); 47 (1, 2); 48 (1, 2); 49 (1, 2); 2017
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (Jahresband); 2 (1, 2); 3 (Jahresband, 1, 2); 4 (Jahresband, 1, 2); 5 (Jahresband); 6 (1); 7 (Jahresband); 8; 9; 11; 12; 13; 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2); 48 (1, 2)
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