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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 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 12); 75 (, 1 to 12); 76 (, 9 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 8); 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 51
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 83
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Portico
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Preserved
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2026-02-12
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Preserved : 1978: 1(1-6), 1979: 2(1-6), 1979/1980: 3(1-6), 1980: 4(1-6), 1981: 5(1-6), 1981: 6(1-6), 1982: 7(1-6), 1983: 8(1-6), 1983: 9(1-6), 1984: 10(1-6), 1984: 11(1-6), 1985: 12(1-6), 1986: 13(1-6), 1986/1987: 14(1-6), 1987: 15(1-6), 1987/1988: 16(1-6), 1988: 17(1-6), 1989: 18(1-6), 1989: 19(1-6), 1990: 20(1-6), 1990: 21(1-6), 1991: 22(1-6), 1991: 23(1-6), 1992: 24(1-6), 1992: 25(1-6), 1993: 26(1-6), 1993: 27(1-6), 1994: 28(1-6), 1994: 29(1-6), 1995: 30(1-6), 1995: 31(1-6), 1996: 32(1-6), 1996: 33(1-6), 1997: 34(1-6), 1997: 35(1-6), 1998: 36(1-6), 1998: 37(1-6), 1999: 38(1-6), 1999: 39(1-6), 2000: 40(1-6), 2000: 41(1-6), 2001: 42(1-6), 2001: 43(1-6), 2002: 44(1-6), 2002: 45(1-6), 2003: 46(1-6), 2003: 47(1-6), 2004: 48(1-6), 2004: 49(1-6), 2005: 50(1-6), 2005: 51(1-6), 2006: 52(1-6), 2006: 53(1-6), 2007: 54(1-6), 2007: 55(1-6), 2008: 56(1-6), 2008: 57(1-6), 2009: 58(1-6), 2009: 59(1-6), 2010: 60(1-6), 2010: 61(1-6), 2011: 62(1-6), 2011: 63(1-6), 2012: 64(1-6), 2012: 65(1-3, 5), 2013: 66(1-6), 2013: 67(1-4), 2014: 68(1-6), 2014: 69(1-4, 6), 2015: 70(2-6), 2015: 71(1-6), 2016: 72(1-6), 2016: 73(1-6), 2017: 74(1-12), 2018: 75(1-12), 2019: 76(1-12), 2019/2020: 77(1-12), 2021: 78(1-12), 2022: 79(1-12), 2023: 80(1-12), 2024: 81(1-12), 2025: 82(1-12), 2025/2026: 83(1-3)
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LOCKSS Archive
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In Progress
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2026-02-09
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64, 65
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LOCKSS Archive
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Preserved
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2026-02-09
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66 to 75
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Library of Congress
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Preserved
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2025-04-07
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72 (2); 73 (3, 5); 75 (3 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)
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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 9, 11, 12); 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 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)
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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 9, 11, 12); 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 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)
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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 : 32 (1-6); 33 (1-6); 34 (1-6); 35 (2 ); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-3, 5, 6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-6); 54 (1-3, 6); 55 (1-6); 56 (1-6); 57 (1-6); 58 (1-6); 59 (1-6); 60 (1-6); 61 (1-6); 62 (1-6); 63 (1-6); 64 (1-6); 65 (1-6); 66 (1-6); 67 (1-6); 68 (1-6); 69 (1-6); 70 (1-6); 71 (1-6); 72 (1-6); 73 (1-6); 74 (1-12); 75 (1-12); 76 (1-5, 7-12); 144 (11)
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