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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 4); 10 (, 1, 2-3, 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 33 (, 1 to 4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 3, 04); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1 to 4); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1 to 3); 65 (, 1 to 3); 66 (, 1-2, 3); 67 (, 1 to 3); 68 (, 1 to 3); 69 (, 1-3); 70 (, 1 to 3); 71 (, 1 to 3); 72 (, 1 to 3); 73 (, 1 to 3); 74 (, 1 to 3); 75 (, 1 to 3); 76 (, 1, 2-3); 77 (, 1 to 3); 78 (, 1 to 3); 79 (, 1 to 3); 80 (, 1 to 3); 81 (, 1 to 3); 82 (, 1, 2-3); 83 (, 1 to 3); 84 (, 1, 2-3); 85 (, 1, 2-3); 86 (, 1, 2-3); 87 (, 1-2, 3); 88 (, 1-3); 89 (, 1 to 3); 90 (, 1-3); 91 (, 1 to 3); 92 (, 1 to 3); 93 (, 1 to 3); 94 (, 1 to 3); 95 (, 1 to 3); 96 (, 1-3); 97 (, 1 to 3); 98 (, 1 to 3); 99 (, 1-3); 100 (, 1 to 3); 101 (, 1 to 3); 102 (, 1 to 3); 103 (, 1 to 12); 104 (, 1 to 12); 105 (, 1 to 12); 106 (, 1 to 12); 107 (, 1 to 12); 108 (, 1 to 12); 109 (, 1 to 12); 110 (, 1 to 12); 111 (, 1 to 6); 112 (, 1 to 6); 113 (, 1); 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 74
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 116
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Portico
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Preserved
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2026-02-12
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Preserved : 1977: 1(6), 1978: 2(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1979: 3(4-5)
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Portico
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Preserved
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2026-02-12
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Preserved : 1980: 4(6)
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Portico
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Preserved
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2026-02-12
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Preserved : 1982: 6(3, 6), 1983: 7(3), 1984: 8(1-2, 4-6), 1985: 9(1-3), 1985: 10(4), 1986: 11(2), 1986: 12(2), 1987: 13(3), 1987: 14(1, 4), 1988: 16(3), 1989: 17(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 20(3), 1991: 22(1-2), 1991: 23(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 26(4), 1993: 27(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 30(4), 1994: 32(1), 1995: 34(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 38(3), 1997: 39(1-4), 1997: 40(1-4), 1997: 41(1-4), 1997: 42(1-4), 1998: 43(1-4), 1998: 44(1-4), 1998: 45(1-4), 1998: 46(1-4), 1999: 47(1-4), 1999: 48(1-4), 1999: 49(1-4), 1999: 50(1-4), 2000: 51(1-4), 2000: 52(1-4), 2000: 53(1-4), 2000: 54(1-4), 2001: 55(1-3), 2001: 56(1-3), 2001: 57(1-3), 2001: 58(1-3), 2002: 59(1-3), 2002: 60(1-3), 2002: 61(1-3), 2002: 62(1-3), 2003: 63(1-3), 2003: 64(1-3), 2003: 65(1-3), 2003: 66(1-3), 2004: 67(1-3), 2004: 68(1-3), 2004: 69(1), 2004: 70(1-3), 2005: 71(1-3), 2005: 72(1-3), 2005: 73(1-3), 2005: 74(1-3), 2006: 75(1-3), 2006: 76(1-3), 2006: 77(1-3), 2006: 78(1-3), 2007: 79(1-3), 2007: 80(1-3), 2007: 81(1-3), 2007: 82(1-3), 2008: 83(1-3), 2008: 84(1-3), 2008: 85(1-3), 2008: 86(1-3), 2009: 87(1-3), 2009: 88(1-3), 2009: 89(1-3), 2009: 90(1-3), 2010: 91(1-3), 2010: 92(1-3), 2010: 93(1-3), 2010: 94(1-3), 2011: 95(1-3), 2011: 96(1-3), 2011: 97(1-3), 2011: 98(1-3), 2012: 99(1-3), 2012: 100(1-3), 2012: 101(1-3), 2012: 102(1, 3), 2013: 103(1-11), 2014: 104(1-10, 12), 2015: 105(4-12), 2016: 106(1-12), 2017: 107(1-12), 2018: 108(1-12), 2019: 109(1-12), 2019/2020: 110(1-12), 2021: 111(1-6), 2022: 112(1-6), 2023: 113(1-6), 2024: 114(1-6), 2024/2025: 115(1-6), 2026: 116(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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99 to 102, 109
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LOCKSS Archive
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Preserved
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2026-02-09
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103 to 108
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Library of Congress
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Preserved
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2025-04-07
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108 (3 to 12); 109 (1 to 12); 110 (1 to 12); 111 (1 to 6); 112 (1 to 6); 113 (1 to 6); 114 (1 to 5); 115 (1)
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Scholars Portal
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Preserved
|
2025-09-02
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Preserved : 113 (2 to 6); 114 (, 1 to 6); 115 (, 1 to 4); 2023; 2024; 2025
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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 : 1 (2, 3); 4 (1 to 4); 5 (1 to 4); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1); 11 (2 to 9, 11, 12); 12 (1 to 3); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1, 3); 67 (1 to 3); 68 (1 to 3); 69 (1); 71 (2, 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (1 to 3); 76 (1, 2); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 81 (1 to 3); 82 (1, 2); 83 (1 to 3); 84 (1, 2); 85 (1, 2); 86 (1, 2); 87 (1, 3); 88 (1); 89 (2, 3); 91 (1 to 3); 92 (1 to 3); 93 (1 to 3); 94 (1 to 3); 95 (1 to 3); 96 (1); 97 (2, 3); 98 (1 to 3); 99 (1); 111 (2 to 6); 112 (1 to 6); 113 (1 to 6); 114 (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 : 1 (2, 3); 4 (1 to 4); 5 (1 to 4); 6 (1 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1); 11 (2 to 9, 11, 12); 12 (1 to 3); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (1 to 9, 11, 12); 17 (1 to 9, 11, 12); 18 (1 to 9, 11, 12); 19 (1 to 9, 11, 12); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1 to 3); 65 (1 to 3); 66 (1, 3); 67 (1 to 3); 68 (1 to 3); 69 (1); 71 (2, 3); 72 (1 to 3); 73 (1 to 3); 74 (1 to 3); 75 (1 to 3); 76 (1, 2); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 81 (1 to 3); 82 (1, 2); 83 (1 to 3); 84 (1, 2); 85 (1, 2); 86 (1, 2); 87 (1, 3); 88 (1); 89 (2, 3); 91 (1 to 3); 92 (1 to 3); 93 (1 to 3); 94 (1 to 3); 95 (1 to 3); 96 (1); 97 (2, 3); 98 (1 to 3); 99 (1); 111 (2 to 6); 112 (1 to 6); 113 (1 to 6); 114 (1 to 6)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 39 (1-4); 40 (1-4); 41 (1-3); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (2-4); 47 (1-4); 48 (1, 3, 4); 49 (1-4); 50 (1, 3, 4); 51 (1, 3, 4); 52 (1); 53 (2-4); 54 (1-4); 55 (1-3); 56 (1-3); 57 (1, 2); 58 (1-3); 59 (1, 3); 60 (1, 2); 61 (1-3); 62 (1-3); 63 (1, 2); 64 (1-3); 65 (1, 3); 66; 67 (1, 2); 68 (1); 69; 70 (2, 3); 71 (1-3); 72 (1-3); 73 (2, 3); 75 (2, 3); 76 (2-3); 77 (3); 78; 79 (1, 2); 80 (3); 81 (2, 3); 82 (1, 2-3); 83 (1-3); 84 (1, 2-3); 85; 86 (1, 2-3); 87 (1-2, 3); 88 (1-3); 89 (2, 3); 90 (1-3); 91 (2, 3); 92 (1-3); 93 (1-3); 94 (1, 3); 95 (1-3); 96 (1-3); 97 (2); 98 (1-3); 99 (1-3); 100 (2, 3); 101 (1-3); 102 (1-3); 103 (1, 3-9, 11, 12); 104 (1, 3-5, 7-10, 12); 105 (1-8, 10-12); 106 (1-12); 107 (1-7, 9-12); 108 (1-6, 11, 12); 109 (1-12)
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