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Internet Archive
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Preserved
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2025-08-08
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3 to 7
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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 (1, 2); 3 (1 to 4); 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 3); 13 (1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 3); 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 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (S1, 1 to 4); 41 (S1, 1_suppl, 2 to 4); 42 (1 to 4); 43 (1 to 4); 44 (S1, 1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (s1, 1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (s1, 1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 3)
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Portico
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Preserved
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2026-04-23
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Preserved : 1990/1991: 1(1-2), 1991/1992: 2(1-2), 1993: 3(1-4), 1994: 4(1-4), 1995: 5(1-4), 1996: 6(1-3), 1996: 7(1-3), 1997: 8(1-3), 1997: 9(1-3), 1998: 10(1-3), 1998: 11(1-3), 1999: 12(1-3), 1999: 13(1-3), 2000: 14(1-3), 2000: 15(1-3), 2001: 16(1-3), 2001: 17(1-3), 2002: 18(1-3), 2002: 19(1-3), 2003: 20(1-3), 2003: 21(1-3), 2004: 22(1-3), 2004: 23(1-3), 2005: 24(1-4), 2005: 25(1-4), 2006: 26(1-4), 2006: 27(1-4), 2007: 28(1-4), 2007: 29(1-4), 2008: 30(1-4), 2008: 31(1-4), 2009: 32(1-4), 2009: 33(1-4), 2009: 34(1-4), 2010: 35(1-4), 2010: 36(1-4), 2010: 37(1-4), 2011: 38(1-4), 2011: 39(1-4), 2011: 40(1, S 1, 2-4), 2011/2012: 41(1, S 1, 2-4), 2012: 42(1-4), 2012: 43(1-4), 2013: 44(1, S 1, 2-4), 2013: 45(1-4), 2013: 46(1-4), 2014: 47(1-4), 2014: 48(1-4), 2014: 49(1-4), 2015: 50(1-4), 2015: 51(1-4), 2015: 52(1-4), 2016: 53(1-4), 2016: 54(1-4), 2016: 55(1-4), 2017: 56(1-4), 2017: 57(1-4), 2017: 58(1-4), 2018: 59(1-4), 2018: 60(1-4), 2018/2019: 61(1-4), 2019: 62(1-4), 2019: 63(1-4), 2019: 64(1-4), 2020: 65(1-4), 2020: 66(1-4), 2020: 67(1-4), 2021: 68(1, S 1, 2-4), 2021: 69(1-4), 2021: 70(1-4), 2022: 71(1-4), 2022: 72(1-4), 2022: 73(1, S 1, 2-4), 2023: 74(1-4), 2023: 75(1-4), 2023: 76(1-4), 2024: 77(1-4), 2024: 78(1-4), 2024: 79(1-4)
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Portico
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Preserved
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2026-04-23
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Preserved : 2025: 80(2-4), 2025: 81(1-4), 2025: 82(1-4), 2026: 83(1-4)
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CLOCKSS Archive
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In Progress
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2026-04-27
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1 to 83
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LOCKSS Archive
|
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In Progress
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2026-04-27
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1 to 34, 80 to 83
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LOCKSS Archive
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Preserved
|
2026-04-27
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35 to 79
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 79
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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 (1, 2); 2 (1, 2); 3 (1-4); 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 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-3); 19 (1-3); 20 (1-3); 21 (1-3); 22 (1-3); 23 (1-3); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (2-4); 38 (1-4); 39 (1-3); 40 (supplement-1, 1, 2, 4); 41 (supplement-1, 2-4); 42 (1-4); 43 (1-4); 44 (supplement-1, 1-4); 45 (1-4); 46 (1-4); 47 (1-3); 48 (1-4); 49 (1-4); 50 (1-4); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-4); 58 (1-4); 59 (1-4); 60 (1-4); 61 (1-4); 62 (1-4); 63 (1-4); 64 (1, 2); 110 (3)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : ; 6 (1 to 4); 7 (1 to 4); 41 (Supplement 1); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (s1, 1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (s1, 1, 2)
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