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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 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 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, 2 to 4 to 6); 51 (, 2 to 6); 52 (, 1, 2 to 4 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, 6); 72 (, 1, 2, 4 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 (, 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); 1977; 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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1 to 76
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Portico
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Preserved
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2026-02-12
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Preserved : 1977: 1(1-6), 1977: 2(1-6), 1978: 3(1-6), 1978: 4(1-6), 1979: 5(1-6), 1979: 6(1-6), 1980: 7(1-6), 1980: 8(1-6), 1981: 9(1, S 1, 2-6), 1981: 10(1-6), 1982: 11(1-6), 1982: 12(1-6), 1983: 13(1-6), 1983: 14(1-6), 1984: 15(1, S 1, 2-6), 1984: 16(1, S 1, 2-6), 1985: 17(1-6), 1985: 18(1-6), 1986: 19(1-6), 1986: 20(1-6), 1987: 21(1-6), 1987: 22(1-6), 1988: 23(1, S 1, 2-6), 1988: 24(1-6), 1989: 25(1-6), 1989: 26(1-6), 1990: 27(1, S 1, 2-6), 1990: 28(1-6), 1991: 29(1-6), 1991: 30(1-6), 1992: 31(1-6), 1992: 32(1, S 1, 2-6), 1993: 33(1-6), 1993: 34(1-6), 1994: 35(1, S 1, 2-6), 1994: 36(1, S 1, 2, S 2, 3-6), 1995: 37(1, S 1, 2-6), 1995: 38(1-6), 1996: 39(1-6), 1996: 40(1-6), 1997: 41(1-6), 1997: 42(1-6), 1998: 43(1-6), 1998: 44(1, S 1, 2-6), 1999: 45(1-6), 1999: 46(1-6), 2000: 47(1-6), 2000: 48(1-6), 2001: 49(1-6), 2001: 50(1-3, 3, S, 4-6), 2002: 51(1-6), 2002: 52(1-3, 3, S, 4-6), 2003: 53(1-3, S 3, 4, S 4, 5-6), 2003: 54(1-5, S 5, 6, S 6, S 7), 2004: 55(1-6), 2004: 56(1-6, S 8), 2005: 57(1-6), 2005: 58(1-6, S 9), 2006: 59(1-6), 2006: 60(1-6, S 10), 2007: 61(1-6), 2007: 62(1-6, S 11), 2008: 63(1-6), 2008: 64(1-2, S 2, 3-6, S 12), 2009: 65(1, S 1, 2-6), 2009: 66(1, S 1, 2-6), 2010: 67(1-6), 2010: 68(1-6), 2011: 69(1-6), 2011: 70(1-6), 2012: 71(1-6), 2012: 72(1-6, S 16), 2013: 73(1-6), 2013: 74(1-6, S17), 2014: 75(1-6), 2014: 76(1-6, S18), 2015: 77(1-6), 2015: 78(1-6, S 19), 2016: 79(1-6), 2016: 80(1-6, S 20), 2017: 81(1-6), 2017: 82(1-6, S 21), 2018: 83(1-6), 2018: 84(1-6, S22), 2019: 85(1-6), 2019: 86(1-6, S23, S24), 2020: 87(1-6), 2020: 88(1-6, S25), 2021: 89(1-6), 2021: 90(1-6, S26, S27), 2022: 91(1-6), 2022: 92(1-6, S28, S29), 2023: 93(1-6), 2023: 94(1-6, S30, S31), 2024: 95(1-6), 2024: 96(1-6, S32, S33), 2025: 97(1-6), 2025: 98(1-6, S34, S35)
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CLOCKSS Archive
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Preserved
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2026-02-09
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25, 29 to 98
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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 : 5 (1 to 6); 6 (S1, 1 to 6); 7 (S15, 1 to 6); 8 (s2, 1 to 6); 9 (S26, 1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (S1, 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 (S4, 1 to 6); 54 (S6, 1 to 6); 55 (1 to 6); 56 (S8, 1 to 6); 57 (1 to 6); 58 (S9, 1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (S11, 1 to 6); 63 (1 to 6); 64 (S12, 1 to 6); 65 (S1, 1 to 6); 66 (S1, 1 to 6); 67 (1 to 6); 68 (S14, 1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (S16, 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 (S21, 1 to 6); 83 (1 to 6); 84 (S22, 1 to 6); 85 (1 to 6); 86 (S24, 1 to 6); 87 (1 to 6); 88 (S25, 1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (S28, 1 to 6); 93 (1 to 6); 94 (S3, 1 to 6); 95 (1 to 3, 6); 96 (S32, 1 to 6); 97 (1 to 6); 98 (S34, 1 to 5)
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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 : 5 (1, 2 to 4 to 6); 6 (S1, 1 to 6); 7 (S15, 1 to 6); 8 (s2, 1 to 6); 9 (S26, 1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (S1, 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 (S4, 1 to 6); 54 (S7, 1 to 6); 55 (1 to 6); 56 (S8, 1 to 6); 57 (1 to 6); 58 (S9, 1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (S11, 1 to 6); 63 (1 to 6); 64 (S12, 1 to 6); 65 (S1, 1 to 6); 66 (S1, 1 to 6); 67 (1 to 6); 68 (S14, 1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (S16, 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 (S21, 1 to 6); 83 (1 to 6); 84 (S22, 1 to 6); 85 (1 to 6); 86 (S24, 1 to 6); 87 (1 to 6); 88 (S25, 1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (S28, 1 to 6); 93 (1 to 6); 94 (S3, 1 to 6); 95 (1 to 3, 6); 96 (S32, 1 to 6); 97 (1 to 6); 98 (S34, 1 to 3)
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