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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 3); 2 (, 1 to 6); 3 (, 1 to 12); 4 (, 1 to 12); 5 (, 1 to 12); 6 (, 1 to 23); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 1 to 5); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 5); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 5); 19 (, 1 to 6); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 5); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 01, 02, 03, 04, 05, 6); 26 (, 01, 02, 03, 04, 5); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 5); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 5); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 5); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 5); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 5); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 5); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 5); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 5); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1 to 6); 62 (, 1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1 to 6); 73 (, 1 to 6); 74 (, 1 to 6); 75 (, 1 to 6); 76 (, 1 to 6); 77 (, 1 to 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 6); 81 (, 1 to 6); 82 (, 1 to 6); 83 (, 1 to 6); 84 (, 1 to 6); 85 (, 1 to 6); 86 (, 1 to 6); 87 (, 1 to 6); 88 (, 1 to 6); 89 (, 1 to 6); 90 (, 1 to 6); 91 (, 2 to 6); 92 (, 1 to 6); 93 (, 1 to 6); 94 (, 1 to 6); 95 (, 1 to 6); 96 (, 1 to 6); 97 (, 1 to 6); 98 (, 1 to 6); 99 (, 1 to 6); 100 (, 1 to 6); 101 (, 1 to 6); 102 (, 1 to 6); 103 (, 1 to 6); 104 (, 1 to 5); 105 (, 1 to 6); 106 (, 1 to 3, 5, 6); 107 (, 1 to 6); 108 (, 1 to 6); 109 (, 1 to 6); 110 (, 1 to 6); 111 (, 1 to 6); 112 (, 2 to 6); 113 (, 1 to 6); 114 (, 1 to 6); 115 (, 1 to 6); 116 (, 1 to 6); 117 (, 1 to 6); 118 (, 1-2, 3 to 6); 119 (, 1 to 6); 120 (, 1 to 6); 121 (, 1 to 6); 122 (, 1 to 6); 123 (, 1 to 6); 124 (, 1); 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Internet Archive
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Preserved
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2025-08-08
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1 to 31
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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 1(1-3), 1988: 2(1-6), 1989: 3(1-12), 1990: 4(1-12), 1991: 5(1-12), 1992: 6(1-23), 1993: 7(1-6), 1993: 8(1-6), 1993: 9(1-6), 1993: 10(1-5), 1994: 11(1-6), 1994: 12(1-6), 1994: 13(1-6), 1994: 14(1-5), 1995: 15(1-6), 1995: 16(1-6), 1995: 17(1-6), 1995: 18(1-5), 1996: 19(1-6), 1996: 20(1-6), 1996: 21(1-6), 1996: 22(1-5), 1997: 23(1-6), 1997: 24(1-6), 1997: 25(1-6), 1997: 26(1-5), 1998: 27(1-6), 1998: 28(1-6), 1998: 29(1-6), 1998: 30(1-5), 1999: 31(1-6), 1999: 32(1-6), 1999: 33(1-6), 1999: 34(1-5), 2000: 35(1-6), 2000: 36(1-6), 2000: 37(1-6), 2000: 38(1-5), 2001: 39(1-6), 2001: 40(1-6), 2001: 41(1-6), 2001: 42(1-5), 2002: 43(1-6), 2002: 44(1-6), 2002: 45(1-6), 2002: 46(1-5), 2003: 47(1-6), 2003: 48(1-6), 2003: 49(1-6), 2003: 50(1-5), 2004: 51(1-6), 2004: 52(1-6), 2004: 53(1-6), 2004: 54(1-5), 2005: 55(1-6), 2005: 56(1-6), 2005: 57(1-6), 2005: 58(1-5), 2006: 59(1), 2006: 60(1), 2006: 61(1), 2006: 62(1-6), 2007: 63(1-6), 2007: 64(1-6), 2007: 65(1-6), 2007: 66(1-6), 2008: 67(1-6), 2008: 68(1-6), 2008: 69(1-6), 2008: 70(1-6), 2009: 71(1-6), 2009: 72(1-6), 2009: 73(1-6), 2009: 74(1-6), 2010: 75(1-6), 2010: 76(1-6), 2010: 77(1-6), 2010: 78(1-6), 2011: 79(1-6), 2011: 80(1-6), 2011: 81(1-6), 2011: 82(1-6), 2012: 83(1-6), 2012: 84(1-6), 2012: 85(1-6), 2012: 86(1-6), 2013: 87(1-6), 2013: 88(1-6), 2013: 89(1-6), 2013: 90(1-6), 2014: 91(1-6), 2014: 92(1-6), 2014: 93(1-6), 2014: 94(1-6), 2015: 95(1-6), 2015: 96(1-6), 2015: 97(1-6), 2015: 98(1-6), 2016: 99(1-6), 2016: 100(1-6), 2016: 101(1-6), 2016: 102(1-6), 2017: 103(1-6), 2017: 104(1-6), 2017: 105(1-6), 2017: 106(1-6), 2018: 107(1-6), 2018: 108(1-6), 2018: 109(1-6), 2018: 110(1-6), 2019: 111(1-6), 2019: 112(1-6), 2020: 113(1-6), 2020: 114(1-6), 2021: 115(1-6), 2021: 116(1-6), 2022: 117(1-6), 2022: 118(1-6), 2023: 119(1-6), 2023: 120(1-6), 2024: 121(1-6), 2024: 122(1-6), 2025: 123(1-6), 2025: 124(1-6), 2026: 125(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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2, 4 to 125
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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 : 1 (1 to 6); 3 (1 to 5); 4 (1 to 6); 5 (1 to 5); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 5); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 5); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 5); 39 (1 to 6); 41 (1 to 6); 42 (1 to 5); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 5); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 5); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 5); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6); 111 (1 to 6); 112 (1 to 6); 113 (1 to 6); 114 (1 to 6); 115 (1 to 6); 116 (1 to 6); 117 (1 to 6); 118 (1-2, 3 to 6); 119 (1 to 6); 121 (1, 3, 4); 122 (2 to 6); 123 (1 to 4, 6); 124 (1, 3)
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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 6); 3 (1 to 5); 4 (1 to 6); 5 (1 to 5); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 5); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 5); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 5); 39 (1 to 6); 41 (1 to 6); 42 (1 to 5); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 5); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 5); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 5); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 6); 98 (1 to 6); 99 (1 to 6); 111 (1 to 6); 112 (1 to 6); 113 (1 to 6); 114 (1 to 6); 115 (1 to 6); 116 (1 to 6); 117 (1 to 6); 118 (1-2, 3 to 6); 119 (1 to 6); 121 (1, 3, 4); 122 (2 to 6); 123 (1 to 4, 6); 124 (1, 3)
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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 : 59 (1-6); 60 (1-6); 61 (1-6); 62 (1-6); 63 (1-6); 64 (1-6); 65 (1-6); 66 (1-6)
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