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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); 3 (3); 4 (1 to 4); 5 (1 to 4); 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 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1, 2-3, 4 to 6); 32 (1 to 6); 33 (1-2, 3 to 6); 34 (1, 4, 5); 36 (1, 3 to 12); 37 (1 to 12); 38 (sup1, 1 to 12); 39 (1 to 8, 10 to 12); 40 (1 to 12); 41 (1 to 12); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 8, 12); 47 (1 to 12); 48 (1 to 12); 49 (1 to 12); 50 (1, 2, 5 to 12); 51 (1 to 11); 52 (1 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1 to 12); 58 (1 to 12); 59 (1 to 12); 60 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 25
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Portico
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Preserved
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2026-04-23
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Preserved : 1981/1982: 1(1-3), 1982: 2(1-3)
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Portico
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Preserved
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2026-04-23
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Preserved : 1984: 3(1-3)
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Portico
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Preserved
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2026-04-23
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Preserved : 1985: 4(1-3), 1986: 5(1-4), 1987: 6(1-2), 1987: 7(1-2), 1988: 8(1-2), 1988: 9(1-2)
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Portico
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Preserved
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2026-04-23
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Preserved : 1989: 10(1-2), 1989: 11(1-2), 1990: 12(1-2), 1990: 13(1-2), 1991: 14(1-4), 1991: 15(1-4), 1992: 16(1-4), 1992: 17(1-4), 1993: 18(1-4), 1993: 19(1-4), 1994: 20(1-4), 1994: 21(1-4), 1995: 22(1-4), 1995: 23(1-4), 1996: 24(1-4), 1996: 25(1-4), 1997: 26(1-6), 1997: 27(1-6), 1998: 28(1-6), 1998: 29(1-6), 1999: 30(1-6), 1999: 31(1-6), 2000: 32(1-6), 2000: 33(1-6), 2001: 34(1-6), 2001: 35(1-6), 2002: 36(1-12), 2003: 37(1-12), 2004: 38(1, S 1, 2, S 2, 3-12), 2005: 39(1-12), 2006: 40(1-12), 2007: 41(1-12), 2008: 42(1-12), 2009: 43(1-12), 2010: 44(1-12), 2011: 45(1-12), 2012: 46(1-12), 2013: 47(1-12), 2014: 48(1-12), 2015: 49(1-12), 2016: 50(1-12), 2017: 51(1-12), 2018: 52(1-12), 2019: 53(1-12), 2020: 54(1-12), 2020/2021: 55(1-12), 2021/2022: 56(1-12), 2022/2023: 57(1-12), 2024: 58(1-12), 2025: 59(1-12), 2026: 60(1-6)
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LOCKSS Archive
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Preserved
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2026-04-13
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1 to 59
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CLOCKSS Archive
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Preserved
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2026-04-13
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just-accepted to 60
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LOCKSS Archive
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In Progress
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2026-04-13
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60
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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 (2 to 6); 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1, 2-3, 4 to 6); 32 (1 to 6); 33 (1-2, 3 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (sup2, 1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 4, 6)
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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 : 1 (2-4); 2 (2-4); 3 (1, 2, 4); 4 (1-4); 5 (1-4); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1, 2); 16 (1-4); 17 (1, 2, 4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1, 3, 4); 23 (1-4); 24 (1, 3); 25 (1-4); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-3, 5, 6); 31 (1, 2-3, 4, 6); 32 (1-5); 33 (1-2, 3, 4, 6); 34 (1-6); 35 (1-6); 36 (1-12); 37 (1-11); 38 (1, 2, 4-12); 39 (1, 2, 5, 6); 40 (5, 6, 9-12); 41 (1-6, 8-12); 42 (1-12)
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Library of Congress
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Preserved
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2025-04-07
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47 (3, 7); 48 (12); 49 (1, 2); 50 (8, 10); 51 (4 to 12); 52 (1 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1 to 12); 58 (1 to 12); 59 (1 to 4)
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