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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (none, 1 to 6); 2 (none, 1 to 6); 3 (none); 4; 5 (1 to 6); 6 (none, 1 to 6); 7 (none, 1 to 6); 8 (none, 1 to 6); 9 (none, 1 to 6); 10 (none, 1 to 6); 11 (none, 6); 12 (none, 1 to 6); 13 (none, 1 to 6); 14 (none, 1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1); 43
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Portico
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Preserved
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2026-04-16
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Preserved : 1984: 1(1-6, ), 1985: 2(1-6, ), 1986: 3, 1987: 4, 1988: 5(1-6, ), 1989: 6(1-6, ), 1990: 7(1-6, ), 1991: 8(1-6, ), 1992: 9(1-6, ), 1993: 10(1-6, ), 1994: 11(6, ), 1995: 12(1-6, ), 1996: 13(1-6, ), 1997: 14(1-6, ), 1998: 15(1-6)
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CLOCKSS Archive
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Preserved
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2026-04-13
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13 to 36, 39
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LOCKSS Archive
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In Progress
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2026-04-13
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13 to 16, 42, 43
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LOCKSS Archive
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Preserved
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2026-04-13
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17 to 41
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Portico
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Preserved
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2026-04-16
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Preserved : 2009: 26(6-12), 2010: 27(1-12), 2011: 28(1-12), 2012: 29(1-12), 2013: 30(1-12), 2014: 31(1-12), 2015: 32(1-12), 2016: 33(1-12), 2017: 34(1-12), 2018: 35(1-12), 2019: 36(1-12), 2019/2020: 37(1-12), 2021: 38(1-12), 2022: 39(1-12), 2023: 40(1-12), 2024: 41(1-12), 2025: 42(1-12), 2026: 43(1-3)
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CLOCKSS Archive
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In Progress
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2026-04-13
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37, 38, 40 to 43
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : (1 to 9, 11, 12); 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 25 (1 to 6); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11); 34 (1, 3 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9)
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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 to 9, 11, 12); 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 25 (1 to 6); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11); 34 (1, 3 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9)
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