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Internet Archive
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Preserved
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2025-08-08
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20 to 70
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1-2, 3); 2 (, 1, 2-3); 3 (, 1-2, 3); 4 (, 1-2, 3); 5 (, 1, 2-3); 6 (, 1, 2-3); 7 (, 1, 2-3); 8 (, 1-2, 3); 9 (, 1, 2-3); 10 (, 1, 2-3); 11 (, 1, 2-3); 12 (, 1, 2-3); 13 (, 1-2, 3); 14 (, 1-2, 3); 15 (, 1, 2-3); 16 (, 1-2, 3); 17 (, 1); 18 (, 1-2); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1, 2-3); 34 (, 1, 2-3); 35 (, 1, 2-3); 36 (, 1, 2-3); 37 (, 1, 2-3); 38 (, 1, 2-3); 39 (, 1, 2-3); 40 (, 1); 41 (, 1); 42 (, 1); 43 (, 1, 2-3); 44 (, 1, 2-3); 45 (, 1, 2-3); 46 (, 1-2); 47 (, 1, 2-3); 48 (, 1, 2-3); 49 (, 1); 50 (, 1-2, 3); 51 (, 1-2, 3); 52 (, 1); 53 (, 1-2); 54 (, 1-2); 55 (, 1-2, 2, 3); 56 (, 1-2, 3); 57 (, 1 to 3); 58 (, 1-2, 3); 59 (, 1-2, 3); 60 (, 1-2, 3); 61 (, 1-2, 3); 62 (, 1-2, 3); 63 (, 1-2, 3); 64 (, 1-2, 3); 65 (, 1-2, 3); 66 (, 1-2, 3); 67 (, 1-2, 3); 68 (, 1-2, 3); 69 (, 1-2, 3); 70 (, 1-2, 3); 71 (, 1-2, 3); 72 (, 1-2, 3); 73 (, 1-2, 3); 74 (, 1-2, 3); 75 (, 1-2, 3); 76 (, 1-2, 3); 77 (, 1-2, 3); 78 (, 1-2, 3); 79 (, 1-2, 3); 80 (, 1-2, 3); 81 (, 1-2, 3); 82 (, 1-2, 3); 83 (, 1-2, 3); 84 (, 1-2, 3); 85 (, 1-2, 3); 86 (, 1-2, 3); 87 (, 1-2, 3); 88 (, 1-2, 3); 89 (, 1 to 6); 90 (, 1 to 6); 91 (, 1 to 6); 92 (, 1 to 6); 93 (, 2, 4 to 6); 94 (, 1 to 6); 95 (, 1 to 6); 96 (, 1 to 6); 97 (, 1 to 4, 5-6); 98 (, 1 to 6); 99 (, 1 to 3); 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 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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Portico
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Preserved
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2026-02-12
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Preserved : 1968: 1(1-3), 1969: 2(1-3), 1969: 3(1-3), 1970: 4(1-3), 1970: 5(1-3), 1971: 6(1-3), 1971: 7(1-3), 1972: 8(1-3), 1973: 9(1-3), 1974: 10(1-3), 1974: 11(1-3), 1975: 12(1-3), 1975: 13(1-3), 1976: 14(1-3), 1977: 15(1-3), 1977: 16(1-3), 1978: 17(1), 1978: 18(1-2), 1979: 19(1), 1980: 20(1), 1980: 21(1), 1981: 22(1), 1981: 23(1), 1982: 24(1), 1982: 25(1), 1983: 26(1), 1984: 27(1), 1985: 28(1), 1985: 29(1), 1986: 30(1), 1986: 31(1), 1987: 32(1), 1987: 33(1-3), 1987: 34(1-3), 1988: 35(1-3), 1988: 36(1-3), 1989: 37(1-3), 1989: 38(1-3), 1990: 39(1-3), 1990: 40(1), 1991: 41(1), 1991: 42(1), 1992: 43(1-3), 1992: 44(1-3), 1993: 45(1-3), 1993: 46(1-2), 1994: 47(1-3), 1994: 48(1-3), 1995: 49(1), 1995: 50(1-3), 1996: 51(1-3), 1996: 52(1), 1997: 53(1-2), 1997: 54(1-2), 1998: 55(1-3), 1998: 56(1-3), 1999: 57(1-3), 1999: 58(1-3), 2000: 59(1-3), 2000: 60(1-3), 2001: 61(1-3), 2001: 62(1-3), 2002: 63(1-3), 2002: 64(1-3), 2003: 65(1-3), 2003: 66(1-3), 2004: 67(1-3), 2004: 68(1-3), 2005: 69(1-3), 2005: 70(1-3), 2006: 71(1-3), 2006: 72(1-3), 2007: 73(1-3), 2007: 74(1-3), 2008: 75(1-3), 2008: 76(1-3), 2009: 77(1-3), 2009: 78(1-3), 2010: 79(1-3), 2010: 80(1-3), 2011: 81(1-3), 2011: 82(1-3), 2012: 83(1-3), 2012: 84(3), 2013: 85(1-3), 2013: 86(1-3), 2014: 87(1-3), 2014: 88(1-3), 2015: 89(1-6), 2016: 90(1-6), 2017: 91(1-6), 2018: 92(1-6), 2018/2019: 93(1-6), 2019/2020: 94(1-6), 2021: 95(1-6), 2022: 96(1-6), 2023: 97(1-6), 2024: 98(1-6), 2025: 99(1-6), 2026: 100(1-2)
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LOCKSS Archive
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In Progress
|
2026-02-09
|
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83, 84
|
|
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LOCKSS Archive
|
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Preserved
|
2026-02-09
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85 to 93
|
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CLOCKSS Archive
|
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Preserved
|
2026-02-09
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1 to 100
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Library of Congress
|
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Preserved
|
2025-04-07
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91 (3); 92 (2 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 6); 96 (1 to 6); 97 (1 to 5-6); 98 (1, 2, 4 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 : 55 (1-2, 3); 56 (1-2, 3); 57 (1, 2-3); 58 (1-2, 3); 59 (1-2, 3); 60 (1-2, 3); 61 (1-2, 3); 62 (1-2, 3); 63 (1-2, 3); 64 (1-2, 3); 65 (1-2, 3); 66 (1-2, 3); 67 (1-2, 3); 68 (1-2, 3); 69 (1-2, 3); 70 (1-2, 3); 71 (1-2, 3); 72; 73; 74 (1-2, 3); 75 (1-2, 3); 76 (1-2, 3); 77 (1-2, 3); 78 (1-2, 3); 79 (1-2, 3); 80 (1-2, 3); 81 (1-2, 3); 82 (1-2, 3); 83 (1-2, 3); 84 (1-2, 3); 85 (1-2, 3); 86 (1-2, 3); 87 (1-2, 3); 88 (1-2, 3); 89 (1-6); 90 (1-6); 91 (1-6); 92 (1-6); 93 (1-5)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 6 (1, 3); 7 (1, 3); 8 (1, 3); 9 (1 to 6); 53 (1); 54; 55 (3); 56 (1, 3); 57 (1, 2); 58 (1, 3); 59 (1, 3); 61 (1, 3); 62 (1, 3); 63 (1, 3); 64 (1, 3); 65 (1, 3); 66 (1, 3); 67 (1, 3); 68 (1, 3); 69 (1, 3); 71 (1, 3); 72 (1, 3); 73 (1, 3); 74 (1, 3); 75 (1, 3); 76 (1, 3); 77 (1, 3); 78 (1, 3); 79 (1, 3); 81 (1, 3); 82 (1, 3); 83 (1, 3); 84 (1, 3); 85 (1, 3); 86 (1, 3); 87 (1, 3); 88 (1, 3); 89 (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 4, 5-6); 98 (1 to 6)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
|
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Preserved : 6 (1, 3); 7 (1, 3); 8 (1, 3); 9 (1 to 6); 53 (1); 54; 55 (3); 56 (1, 3); 57 (1, 2); 58 (1, 3); 59 (1, 3); 61 (1, 3); 62 (1, 3); 63 (1, 3); 64 (1, 3); 65 (1, 3); 66 (1, 3); 67 (1, 3); 68 (1, 3); 69 (1, 3); 71 (1, 3); 72 (1, 3); 73 (1, 3); 74 (1, 3); 75 (1, 3); 76 (1, 3); 77 (1, 3); 78 (1, 3); 79 (1, 3); 81 (1, 3); 82 (1, 3); 83 (1, 3); 84 (1, 3); 85 (1, 3); 86 (1, 3); 87 (1, 3); 88 (1, 3); 89 (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 4, 5-6); 98 (1 to 6)
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