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