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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 19 (1); 1999
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 140
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 145
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 65, 141 to 145
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Portico
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Preserved
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2026-02-12
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Preserved : 1988: 1(1-4), 1989: 2(1-4), 1990/1991: 3(1-4), 1991: 4(1-4), 1991/1992: 5(1-5), 1992/1993: 6(1-4), 1993: 7(1-4), 1994: 8(1-4), 1994: 9(1-4), 1995: 10(1-4), 1995: 11(1-4), 1996: 12(1-4), 1996: 13(1-4), 1997: 14(1-4), 1997: 15(1-4), 1998: 16(1-4), 1998: 17(1-4), 1998: 18(1-4), 1999: 19(1-4), 1999: 20(1-4), 1999: 21(1-4), 2000: 22(1-4), 2000: 23(1-4), 2000: 24(1-4), 2001: 25(1-4), 2001: 26(1-4), 2001: 27(1-4), 2001: 28(1-4), 2002: 29(1-4), 2002: 30(1-4), 2002: 31(1-4), 2002: 32(1-4), 2003: 33(1-4), 2003: 34(1-4), 2003: 35(1-4), 2003: 36(1-4), 2004: 37(1-4), 2004: 38(1-4), 2004: 39(1-4), 2004: 40(1-4), 2005: 41(1-4), 2005: 42(1-4), 2005: 43(1-4), 2005: 44(1-4), 2005: 45(1-4), 2006: 46(1-4), 2006: 47(1-4), 2006: 48(1-4), 2006: 49(1-4), 2006: 50(1-4), 2007: 51(1-4), 2007: 52(1-4), 2007: 53(1-4), 2007: 54(1-4), 2007: 55(1-4), 2008: 56(1-4), 2008: 57(1-4), 2008: 58(1-4), 2008: 59(1-4), 2008: 60(1-4), 2009: 61(1-4), 2009: 62(1-4), 2009: 63(1-4), 2009: 64(1-4), 2009: 65(1-4), 2010: 66(1-4), 2010: 67(1-4), 2010: 68(1-4), 2010: 69(1-4), 2010: 70(1-4), 2011: 71(1-4), 2011: 72(1-4), 2011: 73(1-4), 2011: 74(1-4), 2011: 75(1-4), 2012: 76(1-4), 2012: 77(1-4), 2012: 78(1-4), 2012: 79(1-4), 2012: 80(1-4), 2013: 81(1-4), 2013: 82(1-4), 2013: 83(1-4), 2013: 84(1-4), 2013: 85(1-4), 2014: 86(1-4), 2014: 87(1-4), 2014: 88(1-4), 2014: 89(1-4), 2014: 90(1-4), 2015: 91(1-4), 2015: 92(1-4), 2015: 93(1-4), 2015: 94(1-4), 2015: 95(1-4), 2015/2016: 96(1-4), 2016: 97(1-4), 2016: 98(1-4), 2016: 99(1-4), 2016: 100(1-4), 2017: 101(1-4), 2017: 102(1-4), 2017: 103(1-4), 2017: 104(1-4), 2017: 105(1-4), 2018: 106(1-4), 2018: 107(1-4), 2018: 108(1-4), 2018: 109(1-4), 2018: 110(1-4), 2019: 111(1-4), 2019: 112(1-4), 2019: 113(1-4), 2019: 114(1-4), 2019: 115(1-4), 2020: 116(1-4), 2020: 117(1-4), 2020: 118(1-4), 2020: 119(1-4), 2020: 120(1-4), 2021: 121(1-4), 2021: 122(1-4), 2021: 123(1-4), 2021: 124(1-4), 2021: 125(1-4), 2022: 126(1-4), 2022: 127(1-4), 2022: 128(1-4), 2022: 129(1-4), 2022: 130(1-4), 2023: 131(1-4), 2023: 132(1-4), 2023: 133(1-4), 2023: 134(1-4), 2023: 135(1-4), 2024: 136(1-4), 2024: 137(1-4), 2024: 138(1-4), 2024: 139(1-4), 2024: 140(1-4), 2025: 141(1-4), 2025: 142(1-4), 2025: 143(1-4), 2025: 144(1-4), 2025: 145(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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66 to 140
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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 : 1 (1 to 4); 2 (1, 2 to 4); 3 (1, 2 to 4); 4 (1, 2 to 4); 5 (1,2, 2 to 4, 5); 6 (1-2, 2 to 4); 7 (1-2, 2 to 4); 8 (1-2, 2 to 4); 9 (1-2, 2 to 4); 11 (1-2, 2 to 4); 12 (1-2, 2 to 4); 13 (1-2, 2 to 4); 14 (1-2, 2 to 4); 15 (1-2, 2, 3-4); 16 (1, 2, 3-4); 17 (1-2, 2 to 4); 18 (1-2, 3?4, 4); 19 (1, 2, 3?4); 21 (1, 2, 3?4); 22 (1, 2, 3,4); 23 (, 1, 2, 3,4); 24 (1, 2, 3,4); 25 (1, 2, 3,4); 26 (1, 2, 3,4); 27 (1, 2, 3,4); 28 (1, 2, 3,4); 29 (1, 2, 3,4); 31 (1, 2, 3,4); 32 (1, 2, 3,4); 33 (1, 2, 3,4); 34 (1, 2, 3,4); 35 (1, 2, 3,4); 36 (1, 2, 3,4); 37 (1, 2, 3,4); 38 (1, 2, 3,4); 39 (1, 2, 3,4); 41 (1, 2, 3,4); 42 (1,2, 3,4); 43 (1,2, 3, 4); 44 (1,2, 3,4); 45 (1,2, 3,4); 46 (1, 2, 3,4); 47 (1,2, 3-4); 48 (1,2, 3, 4); 49 (1,2, 3,4); 51 (1, 2, 3,4); 52 (1-2, 3-4); 53 (1,2, 3, 4); 54 (1-2, 3-4); 55 (1-2, 3,4); 56 (1, 2, 3-4); 57 (1-2, 3-4); 58 (1-2, 3, 4); 59 (1-2, 3-4); 61 (1, 2, 3-4); 62 (1-2, 3-4); 63 (1-2, 3, 4); 64 (1-2, 3–4); 65 (1-2, 3-4); 66 (1, 2, 3-4); 67 (1–2, 3-4); 68 (1-2, 3, 4); 69 (1-2, 3-4, 4); 71 (1-2, 3, 4); 72 (1-2, 3-4); 73 (1-2, 3, 4); 74 (1-2, 3-4); 75 (1-2, 3-4); 76 (1, 2, 3-4); 77 (1-2, 3-4); 78 (1-2, 3, 4); 79 (1-2, 3-4); 81 (1, 2, 3-4); 82 (1-2, 3-4); 83 (1-2, 3, 4); 84 (1-2, 3-4); 85 (1-2, 3-4); 86 (1, 2, 3-4); 87 (1-2, 3-4); 88 (1-2, 3, 4); 89 (1-2, 3-4); 91 (1, 2, 3-4); 92 (1-2, 3-4); 93 (1-2, 3, 4); 94 (1-2, 3-4); 95 (1-2, 3-4); 96 (1, 2, 3-4); 97 (1-2, 3-4); 98 (1-2, 3, 4); 99 (1-2, 3-4); 111 (1, 2, 3-4); 112 (1-2, 3-4); 113 (1-2, 3, 4); 114 (1-2, 3-4); 115 (1-2, 3-4); 116 (1, 2, 3-4); 117 (1-2, 3-4); 118 (1-2, 3, 4); 119 (1-2, 3-4); 121 (1, 2, 3-4); 122 (1-2, 3-4); 123 (1-2, 3-4); 124 (1-2, 3-4); 125 (1-2, 3-4); 126 (1-2, 3-4); 127 (1-2, 3, 4); 128 (1 to 4); 129 (1, 2, 3-4)
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-5); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1, 3, 4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1, 2); 16 (1, 2, 3-4); 17 (1-4); 18 (3-4); 19 (1, 2, 3-4); 20 (1, 2, 3-4); 21 (1, 2, 3-4); 22 (1, 2); 23 (1, 2, 3-4); 24 (1, 2, 3-4); 25 (1, 2, 3-4); 26 (1, 2, 3-4); 27 (1, 2, 3-4); 28 (1, 2, 3-4); 29 (1, 2, 3-4); 30 (1, 2, 3-4); 31 (1, 2, 3-4); 32 (1, 2, 3-4); 33 (1, 2, 3-4); 34 (1, 2, 3-4); 35 (1, 2, 3-4); 36 (1, 2, 3-4); 37 (1, 2, 3-4); 38 (1, 2, 3-4); 39 (1, 2, 3-4); 40 (1, 2, 3-4); 41 (1, 2, 3-4); 42 (1-2, 3-4); 43 (1-2, 3, 4); 44 (1-2, 3-4); 45 (1-2, 3-4); 46 (1, 2, 3-4); 47 (1-2, 3-4); 48 (1-2, 3, 4); 49 (1-2, 3-4); 50 (1-2, 3-4); 51 (1, 2, 3-4); 52 (1-2, 3-4); 53 (1-2, 3, 4); 54 (1-2, 3-4); 55 (1-2, 3-4); 56 (1, 2, 3-4); 57 (1-2, 3-4); 58 (1-2, 3, 4); 59 (1-2, 3-4); 60 (1-2, 3-4); 61 (1, 2, 3-4); 62 (1-2, 3-4); 63 (1-2, 3, 4); 64 (1-2, 3-4); 65 (1-2, 3-4); 66 (1, 2, 3-4); 67 (1-2, 3-4); 68 (1-2, 3, 4); 69 (1-2, 4); 70 (1-2, 3-4); 71 (1-2, 3, 4); 72 (1-2, 3-4); 73 (1-2, 3, 4); 74 (1-2); 75; 76 (2, 3-4); 77 (1-2, 3-4); 78 (1-2, 3, 4); 79 (1-2, 3-4); 80 (1-2, 3-4); 81 (1, 2, 3-4); 82 (1-2, 3-4); 83 (1-2, 3, 4); 84 (1-2, 3-4); 85 (1-2, 3-4); 86 (1, 2, 3-4); 87 (1-2, 3-4); 88 (1-2, 3, 4); 89 (1-2, 3-4); 90 (1-2, 3-4); 91 (1, 3-4); 92 (1-2, 3-4); 93 (1-2, 3, 4); 94 (1-2, 3-4); 95 (1-2, 3-4); 96 (1, 2, 3-4); 97 (1-2, 3-4); 98 (1-2, 3, 4); 99 (1-2, 3-4); 100 (1-2, 3-4); 101 (1-2, 3, 4); 102 (1-2, 3-4); 103 (1-2, 3, 4); 104 (1-2, 3-4); 105 (1-2, 3-4); 106 (1, 2, 3-4); 107 (1-2, 3-4); 108 (1-2, 3, 4); 109 (1-2, 3-4); 110 (1-2, 3-4); 111 (1, 2, 3-4); 112 (1-2, 3-4); 113 (1-2, 3, 4); 114 (1-2, 3-4); 115 (1-2)
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