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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, 2); 2 (1-3, 4); 3 (1 to 4); 7 (2, 4); 8 (1 to 4); 9 (1-4); 10 (2 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1, 2, 3-4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1-3, 4); 19 (1-2, 3-4); 20 (1 to 4); 21 (1-2, 3-4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (3, 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 6); 39 (2 to 8); 40 (1 to 7); 41 (1 to 8); 42 (1 to 10); 43 (1 to 4, 5-6, 7 to 12); 44 (1 to 12); 45 (1 to 12); 46 (S1, 1 to 12); 47 (sup1, 2 to 12); 48 (1 to 12); 49 (1, 2)
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LOCKSS Archive
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Preserved
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2026-04-27
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1 to 47
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CLOCKSS Archive
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Preserved
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2026-04-27
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ahead-of-print to 48
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LOCKSS Archive
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In Progress
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2026-04-27
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48, 49
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Portico
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Preserved
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2026-04-23
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Preserved : 1984: 7(1-4), 1985: 8(1-4), 1986/1987: 10(1-4), 1988: 11(1-4), 1988/1989: 12(1-4), 1990: 13(1-2), 1991: 14(1-4), 1992: 15(1-4), 1993: 16(1-4), 1994: 17(1-4), 1995: 18(4)
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Portico
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Preserved
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2026-04-23
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Preserved : 1996: 19(3-4), 1997: 20(1-4)
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Portico
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Preserved
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2026-04-23
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Preserved : 1999: 22(1-4), 2000: 23(1-4), 2001: 24(1-4), 2002: 25(1-4), 2003: 26(1-4), 2004: 27(1-4), 2005: 28(1-4), 2006: 29(1-4), 2007: 30(1-4), 2008: 31(1-4), 2009: 32(1-4), 2010: 33(1-4), 2011: 34(1-4), 2012: 35(1-4), 2013: 36(1-4), 2014: 37(1-4), 2015: 38(1-6), 2016: 39(1-8), 2017: 40(1-8), 2018: 41(1-8), 2019: 42(1-10), 2020: 43(1-12), 2021: 44(1-12), 2022: 45(1-12), 2023: 46(1-12), 2024: 47(1, sup1, 1, 2-12), 2025: 48(1-12), 2026: 49(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 : 2 (2 to 4); 3 (1 to 4); 4 (1 to 8); 21 (1-2, 3-4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 6); 39 (1 to 8); 41 (1 to 8); 42 (1 to 9); 43 (1 to 4, 5-6, 7 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (S1, 1 to 9, 11, 12); 47 (sup1, 1 to 9, 11, 12); 48 (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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40 (1 to 8); 41 (1 to 8); 42 (1 to 10); 43 (1 to 5-6, 7 to 12); 44 (1 to 12); 45 (1 to 12); 46 (S1, 1 to 12); 47 (sup1, 1 to 11); 48 (1)
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