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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 6); 2 (, 1 to 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 6); 10 (, 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); 20 (, 1 to 6); 21 (, 1 to 6); 22 (, 1 to 6); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 5); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 35 (, 1 to 6); 36 (, 1 to 6); 37 (, 1 to 6); 38 (, 1 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 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); 1985; 1986; 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 43
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 1(1-6), 1986: 2(1-6), 1986: 3(1-6), 1987: 4(1-6), 1987: 5(1-6), 1988: 6(1-6), 1988: 7(1-6), 1989: 8(1-6), 1989: 9(1-6), 1990: 10(1-6), 1990: 11(1-6), 1991: 12(1-6), 1991: 13(1-6), 1992: 14(1-6), 1992: 15(1-6), 1993: 16(1-6), 1993: 17(1-6), 1994: 18(1-6), 1994: 19(1-6), 1995: 20(1-6), 1995: 21(1-6), 1996: 22(1-6), 1996: 23(1-6), 1997: 24(1-6), 1997: 25(1-6), 1998: 26(1-6), 1998: 27(1-6), 1999: 28(1-6), 1999: 29(1-6), 2000: 30(1-6), 2000: 31(1-6), 2001: 32(1-6), 2001: 33(1-6), 2002: 34(1-6), 2002: 35(1-6), 2003: 36(1-6), 2003: 37(1-6), 2004: 38(1-6), 2004: 39(1-6), 2005: 40(1-6), 2005: 41(1-6), 2006: 42(1-6), 2006: 43(1-6), 2007: 44(1-6), 2007: 45(1-6), 2008: 46(1-6), 2008: 47(1-6), 2009: 48(1-6), 2009: 49(1-6), 2010: 50(1-6), 2010: 51(1-6), 2011: 52(1-6), 2011: 53(1-6), 2012: 54(1-6), 2012: 55(1-6), 2013: 56(1-6), 2013: 57(1-6), 2014: 58(1-6), 2014: 59(1-6), 2015: 60(1-6), 2015: 61(1-6), 2016: 62(1-6), 2016: 63(1-6), 2017: 64(1-6), 2017: 65(1-6), 2018: 66(1-6), 2018: 67(1-6), 2019: 68(1-6), 2019: 69(1-6), 2020: 70(1-6), 2020: 71(1-6), 2021: 72(1-6), 2021: 73(1-6), 2022: 74(1-6), 2022: 75(1-6)
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CLOCKSS Archive
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Preserved
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2026-02-09
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12 to 75
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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 4(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 26(6), 1999: 28(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 46(1-6), 2008: 47(1-6), 2009: 48(1-6), 2009: 49(1-6), 2010: 50(1-6), 2010: 51(1-6), 2011: 52(1-6), 2011: 53(1-6), 2012: 54(1-6), 2012: 55(1-6), 2013: 56(1-6), 2013: 57(1-6), 2014: 58(1-6), 2014: 59(1-6), 2015: 60(1-6), 2015: 61(1-6), 2016: 62(1-6), 2016: 63(1-6), 2017: 64(1-6), 2017: 65(1-6), 2018: 66(1-6), 2018: 67(1-6), 2019: 68(1-6), 2019: 69(1-6), 2020: 70(1-6), 2020: 71(1-6), 2021: 72(1-6), 2021: 73(1-6), 2022: 74(1-6), 2022: 75(1-4, 6), 2023: 76(1-12), 2024: 77(1-12), 2025: 78(1-12), 2026: 79(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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75 to 77
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CLOCKSS Archive
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In Progress
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2026-02-09
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75 to 78
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LOCKSS Archive
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In Progress
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2026-02-09
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78
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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 : 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 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 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 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 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 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)
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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 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 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 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 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 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 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)
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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 : 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6)
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