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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 5 (1 to 4); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1, 2-3); 14 (1-2, 3); 15 (1, 2-3); 16 (1, 2-3, 4); 17 (1, 2, 3-4); 18 (1-2, 3-4); 19 (1, 2-3, 4); 20 (1, 2-3, 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1)
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Internet Archive
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Preserved
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2025-08-08
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2 to 9
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CLOCKSS Archive
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Preserved
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2026-04-13
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-1, 2 to 37
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CLOCKSS Archive
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In Progress
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2026-04-13
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2 to 39
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LOCKSS Archive
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In Progress
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2026-04-13
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2 to 22, 38, 39
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Portico
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Preserved
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2026-04-16
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Preserved : 1992: 2(1-4), 1993: 3(1-4), 1994: 4(1-4), 1995: 5(1-4), 1996: 6(1-3), 1996: 7(1-3), 1997: 8(1-3), 1997: 9(1-3), 1998: 10(1-3), 1998: 11(1-3), 1999: 12(1-3), 1999: 13(1-3), 2000: 14(1-3), 2000: 15(1-3), 2000: 16(1-4), 2004: 17(1-4), 2005: 18(1-4), 2006: 19(1-4), 2007: 20(1-4), 2008: 21(1-4), 2009: 22(1-4), 2010: 23(1-4), 2011: 24(1-4), 2012: 25(1-4), 2013: 26(1-4), 2014: 27(1-4), 2015: 28(1-4), 2016: 29(1-4), 2017: 30(1-6), 2018: 31(1-6), 2019: 32(1-6), 2020: 33(1-6), 2021: 34(1-6), 2022: 35(1-6), 2023: 36(1-6), 2024: 37(1-6), 2025: 38(1-6), 2026: 39(1-2)
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LOCKSS Archive
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Preserved
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2026-04-13
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23 to 37
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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 (1 to 3); 2 (1 to 3, 4); 3 (1 to 6); 4 (1 to 4); 5 (1 to 4); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1, 2-3); 14 (1-2, 3); 15 (1, 2-3); 16 (1, 2-3, 4); 17 (1, 2, 3-4); 18 (1-2, 3-4); 19 (1, 2-3, 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 5)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : -1 (-1); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1, 2-3); 14 (1-2, 3); 15 (1, 2-3); 16 (1, 2-3); 17 (1, 2, 3-4); 18 (1-2, 3-4); 19 (2-3, 4); 20 (1, 2-3, 4); 21 (1-4); 22 (1-4); 23 (1, 2, 4); 24; 25 (1-4); 26 (2-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-6); 31 (1-6); 32 (1-5)
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