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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 6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1, 2, 3-4, 5, 6); 9 (1 to 6); 10 (sup1, 1 to 6); 11 (sup1, 1 to 6); 12 (sup1, 1 to 6); 13 (sup1, 1 to 6); 14 (sup1, 1 to 6); 15 (1 to 6); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 8); 20 (sup2, 1 to 4, 5-6, 7-8); 21 (sup1, 1 to 6); 22 (sup1, 1 to 6); 23 (sup1, 1 to 8); 24 (sup1, 1 to 8); 25 (sup1, 1 to 8); 26 (1 to 10); 27 (sup1, 1 to 10); 28 (sup1, 1 to 10); 29 (1 to 10); 30 (1 to 10); 31 (1 to 10); 32 (1 to 10); 33 (1 to 10); 34 (1 to 10); 35 (1 to 9); 36 (1 to 8, 9-10); 37 (1 to 3, 4-5, 6 to 10); 38 (1 to 7, 8-9, 10); 39 (1 to 5, 6-7, 8 to 10); 40 (1 to 10); 41 (1 to 10); 42 (1 to 10); 43 (1 to 10); 44 (1 to 3)
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Portico
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Preserved
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2026-04-23
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Preserved : 1987: 5(4)
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Portico
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Preserved
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2026-04-23
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Preserved : 1990: 8(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 1994: 12(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 1999: 17(1-2), 2000: 18(4)
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Portico
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Preserved
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2026-04-23
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Preserved : 2009: 27(10), 2009/2010: 28(1, S 1, 2-5, 7-10), 2011: 29(1-10), 2011/2012: 30(1-10), 2013: 31(1-10), 2014: 32(1-10), 2015: 33(1-7)
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LOCKSS Archive
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Preserved
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2026-04-13
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1 to 42
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 43
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LOCKSS Archive
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In Progress
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2026-04-13
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43, 44
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Portico
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Preserved
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2026-04-23
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Preserved : 1997: 15(1-6), 1998: 16(1-8), 1999: 17(1-8), 2000: 18(1-8), 2001: 19(1-8), 2002: 20(1-8), 2003: 21(1-6), 2004: 22(1-6), 2005: 23(1-8), 2006: 24(1-8), 2007: 25(1-8), 2007/2008: 26(1-10), 2009: 27(1, Suppl 1, 2-10), 2009/2010: 28(1-10), 2011: 29(1-10), 2012: 30(1-10), 2013: 31(1-10), 2014: 32(1-10), 2015: 33(1-10), 2016: 34(1-10), 2017: 35(1-10), 2018: 36(1-10), 2019: 37(1-10), 2020: 38(1-10), 2021: 39(1-10), 2022: 40(1-10), 2023: 41(1-10), 2024: 42(1-10), 2025: 43(1-10), 2026: 44(1-5)
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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 (sup2, 1 to 4, 5-6, 7-8); 3 (1 to 9); 4 (1 to 9); 15 (1 to 6); 16 (1 to 8); 17 (1 to 8); 18 (1 to 8); 19 (1 to 8); 21 (sup1, 1 to 6); 22 (sup1, 1 to 6); 23 (sup1, 1 to 8); 24 (sup1, 1 to 8); 25 (sup1, 1 to 8); 26 (1 to 9); 27 (sup1, 1 to 9); 28 (sup1, 1 to 9); 29 (1 to 9); 31 (1 to 9); 32 (1 to 9); 33 (1 to 9); 34 (1 to 9); 35 (1 to 9); 36 (1 to 8, 9-1); 37 (1 to 3, 4-5, 6 to 9); 38 (1 to 7, 8-9); 39 (1 to 5, 6-7, 8, 9); 41 (1 to 8); 42 (1 to 9); 43 (1)
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