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