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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 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 3); 7 (, 1, 2-3); 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 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 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); 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 (, 1/2, 3 to 6); 38 (, 1 to 7); 39 (, 1/2, 3 to 6); 40 (, 1 to 7); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 7); 44 (, 1 to 7); 45 (, 1 to 6); 46 (, 1 to 7); 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 7); 57 (, 1 to 6); 58 (, 1 to 7); 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 (, 3, 5, 6); 84 (, 2 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 (, 1 to 6); 92 (, 1 to 6); 93 (, 2, 3, 5, 6); 94 (, 1 to 6); 95 (, 1); 1978; 1979; 1980; 1981; 1982; 1983; 1984; 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; 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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7 to 28
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 96
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 35, 37, 38, 40 to 79
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Portico
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Preserved
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2026-02-12
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Preserved : 1978: 1(1-4), 1979: 2(1-4), 1979: 3(1-4), 1980: 4(1-4), 1980/1981: 5(1-4), 1981: 6(1-3), 1981/1982: 7(1-3), 1982: 8(1-3), 1982: 9(1-3), 1982/1983: 10(1-3), 1983: 11(1-3), 1984: 12(1-3), 1984: 13(1-3), 1985: 14(1-3), 1985: 15(1-3), 1986: 16(1-3), 1986: 17(1-3), 1986: 18(1-3), 1987: 19(1-4), 1987: 20(1-4), 1988: 21(1-4), 1988: 22(1-4), 1989: 23(1-6), 1989: 24(1-6), 1989/1990: 25(1-6), 1990: 26(1-6), 1990/1991: 27(1-6), 1991: 28(1-6), 1991/1992: 29(1-6), 1992: 30(1-6), 1992/1993: 31(1, S 1, 2-6), 1993: 32(1-6), 1993/1994: 33(1-6), 1994: 34(1, S 1, 2-6), 1994/1995: 35(1-6), 1995: 36(1-6), 1995/1996: 37(1-6), 1996: 38(1-6), 1996/1997: 39(1-6), 1997: 40(1-6), 1997/1998: 41(1-6), 1998: 42(1, S 1, 2-6), 1999: 43(1-6), 1999: 44(1-6), 2000: 45(1-6), 2000: 46(1, S 1, 2-6), 2001: 47(1-6), 2001: 48(1, S 1, 2-6), 2002: 49(1-6), 2002: 50(1-6), 2003: 51(1-6), 2003: 52(1, S 1, 2-6), 2004: 53(1-6), 2004: 54(1-6), 2005: 55(1-6), 2005: 56(1-6), 2006: 57(1-6), 2006: 58(1-6), 2007: 59(1-6), 2007: 60(1-6), 2008: 61(1-6), 2008: 62(1-6), 2008/2009: 63(1-6), 2009: 64(1-6), 2009/2010: 65(1-6), 2010: 66(1-6), 2011: 67(1-6), 2011: 68(1-6), 2012: 69(1-6), 2012: 70(1-2, 5-6), 2013: 71(1-6), 2013: 72(1-4, 6), 2014: 73(1-6), 2014: 74(1-6), 2015: 75(3-6), 2015: 76(1-6), 2016: 77(1-6), 2016: 78(1-6), 2017: 79(1-6), 2017: 80(1-6), 2018: 81(1-6), 2018: 82(1-6), 2019: 83(1-6), 2019: 84(1-6), 2020: 85(1-6), 2020: 86(1-6), 2021: 87(1-6), 2021: 88(1-4, 6), 2022: 89(1-2, 4-6), 2022: 90(1-6), 2023: 91(1-6), 2023: 92(1-6), 2024: 93(1-6), 2024: 94(1-5), 2025: 95(1), 2026: 96(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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80 to 84
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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 : 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 39 (4 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); 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)
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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 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 39 (4 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); 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)
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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 : 37 (1-2, 4-6); 38 (1-6); 39 (1-2, 3-6); 40 (1-6); 41 (1-6); 42 (supplement-1, 1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (supplement-1, 1-6); 48 (supplement-1, 1-6); 49 (supplement-1, 1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-6); 54 (01, 2-6); 55 (1-6); 56 (1-7); 57 (1-6); 58 (1-7); 59 (1-5); 60 (2-6); 61 (1-6); 62 (1-6); 63 (supplement-1, 1-6); 64 (1-6); 65 (1-6); 66 (1-6); 67 (supplement-1, 1-6); 68 (1-6); 69 (1-6); 70 (1-6); 71 (1-6); 72 (1-6); 73 (1-6); 74 (1-6); 75 (1-6); 76 (1-6); 77 (1-6); 78 (1-6); 79 (1-6); 80 (1-6); 81 (1-6); 82 (1-6); 83 (1-6); 84 (1-6)
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