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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 4); 2 (1-2, 3, 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 6); 7 (1 to 6); 8 (1-2, 3 to 6); 9 (1, 2, 3-4); 10 (1-2, 3-4); 11 (1 to 4); 12 (1, 2, 3-4); 13 (1, 2-3, 4); 14 (1-2, 3, 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1, 2-3, 4); 19 (1-2, 3, 4); 20 (1-2, 3, 4); 21 (sup1, 1 to 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 (sup1, 1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (2 to 4); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (2 to 6); 48 (1 to 6); 49 (1)
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Portico
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Preserved
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2026-04-23
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Preserved : 1980: 3(3-4)
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Portico
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Preserved
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2026-04-23
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Preserved : 1983: 6(6)
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Portico
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Preserved
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2026-04-23
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Preserved : 1998: 21(S 1)
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Portico
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Preserved
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2026-04-23
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Preserved : 2006: 29(3)
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Portico
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Preserved
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2026-04-23
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Preserved : 2008: 31(4)
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Portico
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Preserved
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2026-04-23
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Preserved : 2010: 33(1-4), 2011: 34(1-4), 2012: 35(1, S 1, 2-4), 2012/2013: 36(1-4), 2013/2014: 37(1-4), 2014: 38(1-3)
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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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Preserved
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2026-04-27
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1 to 47
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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 : 1982: 5(2)
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Portico
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Preserved
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2026-04-23
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Preserved : 1990: 13(1-3), 1991: 14(3), 1992: 15(1-3)
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Portico
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Preserved
|
2026-04-23
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Preserved : 1993: 16(1-3), 1994: 17(1-3), 1995: 18(1, 4), 1996: 19(3-4), 1997: 20(1-4), 1998: 21(1-4), 1999: 22(1-4), 2000: 23(1-4), 2001: 24(1-4), 2002: 25(1-4), 2003: 26(1-4), 2004/2005: 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(1-4), 2016: 39(1-4), 2017: 40(1-4), 2018: 41(1-4), 2019: 42(1-6), 2020: 43(1-6), 2021: 44(1-6), 2022: 45(1-6), 2023: 46(1-6), 2024: 47(1-6), 2025: 48(1-6), 2026: 49(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 (3, 4); 3 (1 to 4); 4 (1 to 4); 21 (sup1, 1 to 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 (sup1, 1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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33 (1 to 4); 34 (1 to 4); 35 (sup1, 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 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6)
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