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