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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 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 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 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 to 8); 39 (1 to 8); 40 (1 to 8); 41 (1 to 5, 6-7, 8); 42 (1-2, 3 to 8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 10); 46 (1 to 10); 47 (1 to 10); 48 (1 to 10); 49 (1 to 10); 50 (1 to 10); 51 (1 to 12); 52 (1 to 12); 53 (1 to 12); 54 (1 to 12); 55 (1 to 12); 56 (1 to 12); 57 (1, 2, 3-4, 5 to 12); 58 (1 to 12); 59 (1 to 12); 60 (1 to 10, 11-12); 61 (1 to 6); 62 (3 to 12); 63 (1 to 12); 64 (1 to 12); 65 (1 to 12); 66 (1 to 12); 67 (1 to 12); 68 (1 to 12); 69 (1 to 12); 70 (1 to 12); 71 (1 to 12); 72 (1 to 8, 11, 12); 73 (1 to 12); 74 (1 to 3, 5 to 12); 75 (1 to 12); 76 (1 to 12); 77 (1 to 12); 78 (1 to 12); 79 (1 to 9, 10-12); 80 (1-2, 3 to 12); 81 (1-2, 3-6, 7-12); 82 (1-2, 3 to 12); 83 (1 to 12); 84 (1 to 12); 85 (1 to 7, 10 to 24); 86 (1 to 24)
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Internet Archive
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Preserved
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2025-08-08
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15 to 64
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CLOCKSS Archive
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Preserved
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2026-03-30
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ahead-of-print, 15 to 86
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LOCKSS Archive
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Preserved
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2026-03-30
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15 to 86
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CLOCKSS Archive
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Preserved
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2026-03-30
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53 to 57, 59 to 68, 70, 71
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LOCKSS Archive
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In Progress
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2026-03-30
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87
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Portico
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Preserved
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2026-04-02
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Preserved : 1993: 23(1-4), 1993: 24(1-4), 1994: 25(1-6), 1994: 26(1-6), 1995: 27(1-6), 1995: 28(1-6), 1996: 29(1-8), 1996: 30(1-8), 1997: 31(1-8), 1997: 32(1-8), 1998: 33(1-8), 1998: 34(1-8), 1999: 35(1-8), 1999: 36(1-8), 2000: 37(1-8), 2000: 38(1-8), 2001: 39(1-8), 2001: 40(1-8), 2002: 41(1-8), 2002: 42(1-8), 2003: 43(1-8), 2003: 44(1-8), 2004: 45(1-10), 2004: 46(1-10), 2004/2005: 47(1-10), 2005: 48(1-10), 2006: 49(1-10), 2006: 50(1-10), 2007: 51(1-12), 2007: 52(1-12), 2008: 53(1-12), 2008: 54(1-12), 2009: 55(1-12), 2009: 56(1-12), 2010: 57(1-12), 2010: 58(1-12), 2011: 59(1-12), 2011: 60(1-12), 2012: 61(1-12), 2012: 62(1-12), 2013: 63(1-12), 2013: 64(1-12), 2014: 65(1-12), 2014: 66(1-12), 2015: 67(1-12), 2015: 68(1-12), 2016: 69(1-12), 2016: 70(1-12), 2017: 71(1-12), 2017: 72(1-12), 2018: 73(1-12), 2018: 74(1-12), 2019: 75(1-12), 2019: 76(1-12), 2020: 77(1-12), 2020: 78(1-12), 2020/2021: 79(1-12), 2021: 80(1-12), 2021/2022: 81(1-12), 2022: 82(1-12), 2022/2023: 83(1-12), 2023: 84(1-12), 2024: 85(1-24), 2025: 86(1, 3-10, 12-24), 2026: 87(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 : 4 (1 to 8); 5 (1 to 9); 6 (1 to 9, 11-12); 7 (1 to 9, 11, 12); 8 (1-2, 3 to 9, 11, 12); 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 5, 6-7, 8); 42 (1-2, 3 to 8); 43 (1 to 8); 44 (1 to 8); 45 (1 to 9); 46 (1 to 9); 47 (1 to 9); 48 (1 to 9); 49 (1 to 9); 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, 2, 3-4, 5 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (1 to 9); 81 (1-2, 3-6, 7-12); 82 (1-2, 3 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9, 11 to 18); 86 (1 to 9)
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Library of Congress
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Preserved
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2025-04-07
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71 (3 to 12); 72 (1 to 12); 73 (1 to 12); 74 (1 to 12); 75 (1 to 9, 12); 76 (1 to 12); 77 (1 to 12); 78 (1 to 12); 79 (1 to 10-12); 80 (1-2, 3 to 12); 81 (1-2, 3-6, 7-12); 82 (1-2, 3 to 12); 83 (1 to 12); 84 (1 to 12); 85 (1 to 18)
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