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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1); 11 (2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (sup1, 1 to 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1, 3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 50 (1 to 3); 51 (1 to 3)
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 50
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 51
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LOCKSS Archive
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In Progress
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2026-04-06
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51
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Portico
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Preserved
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2026-04-09
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Preserved : 1986: 12(1-2), 1987: 13(1-2), 1988: 14(1-2), 1989: 15(1-2), 1990: 16(1-2), 1991: 17(1-2), 1992: 18(1-2), 1993: 19(1-2), 1994: 20(1-3), 1995: 21(1-3), 1996: 22(1-3), 1997: 23(1-3), 1998: 24(1-3), 1999: 25(1-3), 2000: 26(1-3), 2001: 27(1-3), 2002: 28(1-3), 2003: 29(1-3), 2004: 30(1-3), 2005: 31(1-3), 2006: 32(1-3), 2007: 33(1-3), 2008: 34(1-3), 2009: 35(1-3), 2010: 36(1-3), 2011: 37(1-3), 2012: 38(1-3), 2013: 39(1-3), 2014: 40(1-3), 2015: 41(1-3), 2016: 42(1-3), 2017: 43(1-3), 2018: 44(1-3), 2019: 45(1-3), 2020: 46(1-3), 2021: 47(1-3), 2022: 48(1-3), 2023: 49(1-3), 2024: 50(1-3), 2025: 51(1-3)
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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 : 3 (1 to 3); 4 (1 to 3); 5 (1 to 3); 23 (1 to 3); 24 (1 to 3); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (sup1, 1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 51 (1)
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1); 6; 7 (2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1-3); 24 (1-3); 25 (1-3); 26 (1-3); 27 (1-3); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (1-3); 34 (1-3)
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Library of Congress
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Preserved
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2025-04-07
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36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 3); 50 (1 to 3)
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