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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 2 (2); 4 (3); 5 (1, 2); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 10 (1 to 3); 11 (1 to 3); 12 (sup1, 1 to 3); 13 (1 to 3); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 4, 8); 29 (6 to 8); 30 (1 to 8); 31 (1 to 3, 7, 8); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1, 3 to 8); 36 (1 to 8); 37 (2 to 8); 38 (1, 2, 4 to 8); 39 (1 to 8); 40 (1 to 8); 41 (1 to 8); 42 (1 to 8); 43 (1, 3 to 9); 44 (1 to 8); 45 (1)
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Portico
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Preserved
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2026-04-16
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Preserved : 1982/1983: 2(1-2), 1983/1984: 3(1-2), 1984/1985: 4(1-3), 1986: 5(1-2), 1986/1987: 6(1-3), 1987/1988: 7(1-3), 1988/1989: 8(1-3), 1990: 9(1-3), 1991: 10(1-3), 1992: 11(1-3), 1993: 12(1-3), 1994: 13(1-3), 1995: 14(1-4), 1996: 15(1-4), 1997: 16(1-4), 1998: 17(1-4), 1999: 18(1-4), 2000: 19(1-6), 2001: 20(1-6), 2002: 21(1-6), 2003: 22(1-6), 2004: 23(1-6), 2005: 24(1-8), 2006: 25(1-8), 2007: 26(1-8), 2007/2008: 27(1-8), 2009: 28(1-8), 2010: 29(1-8), 2011: 30(1-8), 2012: 31(1-8), 2013: 32(1-8), 2014: 33(1-8), 2015: 34(1-8), 2016: 35(1-8), 2017: 36(1-8), 2018: 37(1-8), 2019: 38(1-8), 2020: 39(1-8), 2021: 40(1-8), 2022: 41(1-8), 2023: 42(1-8), 2024: 43(1-9), 2025: 44(1-8), 2026: 45(1-3)
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LOCKSS Archive
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Preserved
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2026-04-13
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1 to 43
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CLOCKSS Archive
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Preserved
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2026-04-13
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ahead-of-print to 44
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LOCKSS Archive
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In Progress
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2026-04-13
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44, 45
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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 6); 3 (1 to 8); 4 (1 to 8); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 8); 25 (1 to 8); 26 (1 to 8); 27 (1 to 8); 28 (1 to 8); 29 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8); 37 (1 to 8); 38 (1 to 8); 39 (1 to 8); 41 (1 to 8); 42 (1 to 8); 43 (1 to 9); 44 (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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29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 8); 33 (1 to 8); 34 (1 to 8); 35 (1 to 8); 36 (1 to 8); 37 (1 to 8); 38 (1, 2, 4 to 8); 39 (1 to 8); 40 (1 to 8); 41 (1 to 8); 42 (1 to 8); 43 (1 to 7)
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