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Scholars Portal
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Preserved
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2026-03-19
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Preserved : CLXVII (aug25); 1 (1 to 12); 2 (1 to 12); 3 (1 to 12); 4 (1 to 12); 5 (1 to 12); 6 (1 to 12); 7 (1 to 12); 8 (1 to 12); 9 (1 to 12); 10 (1 to 12); 11 (1 to 12); 12 (1 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (1 to 12); 22 (1 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (Suppl_1, 1 to 6, 8 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 6, 8, 10 to 12); 40 (1, 2, 5, 6, 8, 10, 11); 41 (1 to 12); 42 (1, 2, 4 to 6, 8 to 12); 43 (1 to 12); 44 (1, 3 to 5); 45 (1-2, 3, 4, 12); 46 (1 to 4); 47 (1); 74 (3)
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Internet Archive
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Preserved
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2025-08-08
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9 to 24
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Portico
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Preserved
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2026-04-16
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Preserved : 1980: 1(12), 1981: 2(1-10, 12), 1982: 3(1-10, 12), 1983: 4(1-10, 12), 1984: 5(1-12), 1985: 6(1-12), 1986: 7(1-12), 1987: 8(1-12), 1988: 9(1-12), 1989: 10(1-12), 1990: 11(1, 3-12), 1991: 12(1-12), 1992: 13(1-12), 1993: 14(1-12), 1994: 15(1-12), 1995: 16(1-12), 1996: 17(1-12), 1997: 18(1-12), 1998: 19(1-12), 1999: 20(1-12), 2000: 21(1, 3-12), 2001: 22(1-12), 2002: 23(1-12), 2003: 24(1-12), 2004: 25(1-12), 2004/2005: 26(1-12), 2005/2006: 27(1-12), 2007: 28(1-12), 2008: 29(1-12), 2009: 30(1-12), 2009/2010: 31(1-12), 2010/2011: 32(1-12), 2011/2012: 33(1-12), 2012/2013: 34(1-12), 2013/2014: 35(1-12), 2015: 36(1-12), 2015/2016: 37(1-12), 2016/2017: 38(1-12), 2018: 39(1-12), 2019: 40(1-12), 2020: 41(1-12), 2021: 42(1-12), 2022: 43(1-12), 2023: 44(1-12), 2024: 45(1-12), 2025: 46(1-4), 2026: 47(1)
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LOCKSS Archive
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Preserved
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2026-04-13
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26 to 46
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CLOCKSS Archive
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Preserved
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2026-04-13
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28 to 40, 47
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CLOCKSS Archive
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In Progress
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2026-04-13
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41 to 46
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 2 (5-12); 3 (1, 3-12); 4 (4-12); 5 (2-12); 6 (1-12); 7 (1-12); 8 (1-12); 9 (1-12); 10 (2-12); 11 (2-12); 12 (1-12); 13 (2-12); 14 (1-12); 15 (1-12); 16 (1-12)
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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 : ; 3 (1 to 9, 11, 12); 4 (1 to 9, 11); 8 (4); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (Suppl_1, 1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1, 2, 4 to 6, 8, 9, 11, 12); 43 (1, 2, 5, 6, 8, 9, 11); 44 (1, 3 to 7, 8-9, 12); 45 (1-2, 3 to 5, 9, 11, 12); 46 (1 to 3)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : ; 3 (1 to 9, 11, 12); 4 (1 to 9, 11); 8 (4); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (Suppl_1, 1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1, 2, 4 to 6, 8, 9, 11, 12); 43 (1, 2, 5, 6, 8, 9, 11); 44 (1, 3 to 7, 8-9, 12); 45 (1-2, 3 to 5, 9, 11, 12); 46 (1, 2)
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