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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 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 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 6); 29 (, 1 to 6); 30 (, 1-2, 3 to 6); 31 (, 1, 2-3, 4); 32 (, 1, 2-3, 4); 33 (, 1 to 4); 34 (, 1-2, 3, 4); 35 (, 1-2, 3, 4); 36 (, 1-2, 3, 4); 37-3 (, 1-3, 4); 38 (, 1 to 4); 39 (, 1-4); 40 (, 1 to 4); 41 (, 1, 2-3, 4); 42 (, 1, 2, 3-4); 43 (, 1, 2-4); 44 (, 1 to 4); 45 (, 1, 2, 3-4); 46 (, 1, 2, 3-4); 47 (, 1, 2, 3-4); 48 (, 1, 2, 3-4); 49 (, 1 to 4); 50 (, 1, 2-3, 4); 51 (, 1 to 4); 52 (, 1-3, 4); 53 (, 1, 2, 3-4); 54 (, 1 to 4); 55 (, 1-4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1-4); 59 (, 1 to 4); 60 (, 1, 2, 3-4); 61 (, 1, 2-4); 62 (, 1 to 4); 63 (, 1, 2-4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1-3, 4); 67 (, 1-2, 3, 4); 68 (, 1, 2, 3-4); 69 (, 1, 2-3, 4); 70 (, 1-3, 4); 71 (, 1 to 4); 72 (, 1); 73 (, 1); 74 (, 1); 75 (, 1); 76 (, 1); 77 (, 1); 78 (, 1); 79 (, 1); 80 (, 1); 81 (, 1); 82 (, 1); 83 (, 1); 84 (, 1); 85 (, 1); 86 (, 1); 87 (, 1); 88 (, 1); 89 (, 1); 90 (, 1); 91 (, 1); 92 (, 1); 93 (, 1); 94 (, 1); 95 (, 1); 96 (, 1); 97 (, 1); 98 (, 1); 99 (, 1); 100 (, 1); 101 (, 1); 102 (, 1); 103 (, 1); 104 (, 1); 105 (, 1); 106 (, 1); 107 (, 1); 108 (, 1); 109 (, 1); 110 (, 1); 111 (, 1); 112 (, 1); 113 (, 1); 114 (, 1); 115 (, 1); 116 (, 1); 117 (, 1); 118 (, 1); 119 (, 1); 120 (, 1); 121 (, 1); 122 (, 1); 123 (, 1); 124 (, 1); 125 (, 1); 126 (, 1); 127 (, 1); 128 (, 1); 129 (, 1); 130 (, 1); 131 (, 1); 132 (, 1); 133 (, 1); 134 (, 1); 135 (, 1); 136 (, 1); 137 (, 1); 138 (, 1); 139 (, 1); 140 (, 1); 141 (, 1); 142 (, 1); 143 (, 1); 144 (, 1); 145 (, 1); 146 (, 1); 147 (, 1); 148 (, 1); 149 (, 1); 150 (, 1); 151 (, 1); 152 (, 1); 153 (, 1); 1967; 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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Internet Archive
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Preserved
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2025-08-08
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14 to 56
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Portico
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Preserved
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2026-02-12
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Preserved : 1967: 1(1-4), 1968: 2(1-4), 1969: 3(1-4), 1970: 4(1-4), 1971: 5(1-4), 1972: 6(1-4), 1973: 7(1-4), 1974: 8(1-4), 1975: 9(1-4), 1976: 10(1-4), 1977: 11(1-4), 1978: 12(1-4), 1979: 13(1-4), 1980: 14(1-4), 1981: 15(1-4), 1982: 16(1-4), 1983: 17(1-4), 1984: 18(1-4), 1985: 19(1-4), 1986: 20(1-4), 1987: 21(1-4), 1988: 22(1-4), 1989: 23(1-4), 1990: 24(1-4), 1991: 25(1-4), 1992: 26(1-4), 1993: 27(1-4), 1994: 28(1-6), 1995: 29(1-6), 1996: 30(1-6)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 121, 123 to 156
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 52(4), 2006: 54(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 60(1), 2008: 62(3-4), 2009: 63(1-4), 2009: 64(1-4), 2009: 65(1-4), 2010: 66(1-4), 2010: 67(1-4), 2010: 68(1-4), 2011: 69(1-4), 2011: 70(1-4), 2011: 71(1-4), 2012: 73(1), 2012: 74(1), 2012: 75(1), 2012: 76(1), 2013: 78(1), 2013: 79(1), 2013: 80(1), 2013: 81(1), 2013: 83(1), 2014: 84(1), 2014: 85(1), 2014: 86(1), 2014: 87(1), 2014: 88(1), 2014: 89(1), 2015: 91(1), 2015: 92(1), 2015: 93(1), 2015: 94(1), 2015: 95(1), 2016: 96(1), 2016: 97(1), 2016: 98(1), 2016: 99(1), 2016: 100(1), 2016: 101(1), 2017: 102(1), 2017: 103(1), 2017: 104(1), 2017: 105(1), 2017: 106(1), 2017: 107(1), 2018: 108(1), 2018: 109(1), 2018: 110(1), 2018: 111(1), 2018: 112(1), 2018: 113(1), 2019: 114(1), 2019: 115(1), 2019: 116(1), 2019: 117(1), 2019: 118(1), 2019: 119(1), 2020: 120(1), 2020: 121(1), 2020: 122(1), 2020: 123(1), 2020: 124(1), 2020: 125(1), 2021: 126(1), 2021: 127(1), 2021: 128(1), 2021: 129(1), 2021: 130(1), 2021: 131(1), 2022: 132(1), 2022: 133(1), 2022: 134(1), 2022: 135(1), 2022: 136(1), 2022: 137(1), 2023: 138(1), 2023: 139(1), 2023: 140(1), 2023: 141(1), 2023: 142(1), 2023: 143(1), 2024: 144(1), 2024: 145(1), 2024: 146(1), 2024: 147(1), 2024: 148(1), 2024: 149(1), 2025: 150(1), 2025: 151(1), 2025: 152(1), 2025: 153(1), 2025: 154(1), 2025: 155(1), 2026: 156(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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72 to 77, 114 to 119
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LOCKSS Archive
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Preserved
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2026-02-09
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78 to 112
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Library of Congress
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Preserved
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2025-04-07
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109 (1); 110 (1); 111 (1); 112 (1); 113 (1); 114 (1); 115 (1); 116 (1); 117 (1); 118 (1); 119 (1); 120 (1); 121 (1); 122 (1); 123 (1); 124 (1); 125 (1); 126 (1); 127 (1); 128 (1); 129 (1); 130 (1); 131 (1); 132 (1); 133 (1); 134 (1); 135 (1); 136 (1); 137 (1); 138 (1); 139 (1); 140 (1); 141 (1); 142 (1); 143 (1); 144 (1); 145 (1); 146 (1); 147 (1); 148 (1); 150 (1)
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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 (1); 4 (2 to 4); 5 (1, 2, 4); 6 (1 to 3); 7 (1, 4); 8 (1); 9; 11; 12; 13; 14; 15; 16; 17; 18; 19; 31 (2); 32 (1, 2, 4); 33 (1 to 4); 34 (1, 3, 4); 35 (1, 3, 4); 36 (1, 3, 4); 37 (1, 4); 38 (1 to 4); 39 (1); 41 (2, 4); 42 (1 to 3); 43 (1, 2); 44 (1 to 4); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 4); 51 (1 to 4); 52 (1, 4); 53 (1 to 3); 54 (1 to 4); 55 (1); 56 (2 to 4); 57 (1 to 4); 58 (1); 59 (2 to 4); 61 (1, 2); 62 (1 to 4); 63 (1, 2); 64 (1 to 4); 65 (1 to 4); 66 (1, 4); 67 (1, 3, 4); 68 (1 to 3); 69 (1, 2, 4); 71 (1 to 4); 72 (1); 73; 74; 75; 76; 77; 78; 79; 81; 82; 83; 84; 85; 86; 87; 88; 89; 91; 92; 93; 94; 95; 96; 97; 98; 99; 111; 112; 113; 114; 115; 116; 117; 118; 119; 121; 122; 123; 124; 125; 126; 127; 128; 129; 131; 132; 133; 134; 135; 136; 137; 138; 139; 141; 142; 143; 144; 145
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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 (1); 4 (2 to 4); 5 (1, 2, 4); 6 (1 to 3); 7 (1, 4); 8 (1); 9; 11; 12; 13; 14; 15; 16; 17; 18; 19; 31 (2); 32 (1, 2, 4); 33 (1 to 4); 34 (1, 3, 4); 35 (1, 3, 4); 36 (1, 3, 4); 37 (1, 4); 38 (1 to 4); 39 (1); 41 (2, 4); 42 (1 to 3); 43 (1, 2); 44 (1 to 4); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 4); 51 (1 to 4); 52 (1, 4); 53 (1 to 3); 54 (1 to 4); 55 (1); 56 (2 to 4); 57 (1 to 4); 58 (1); 59 (2 to 4); 61 (1, 2); 62 (1 to 4); 63 (1, 2); 64 (1 to 4); 65 (1 to 4); 66 (1, 4); 67 (1, 3, 4); 68 (1 to 3); 69 (1, 2, 4); 71 (1 to 4); 72 (1); 73; 74; 75; 76; 77; 78; 79; 81; 82; 83; 84; 85; 86; 87; 88; 89; 91; 92; 93; 94; 95; 96; 97; 98; 99; 111; 112; 113; 114; 115; 116; 117; 118; 119; 121; 122; 123; 124; 125; 126; 127; 128; 129; 131; 132; 133; 134; 135; 136; 137; 138; 139; 141; 142; 143; 144; 145
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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 : 31 (1, 2, 4); 32 (1, 2, 4); 33 (1-4); 34 (1, 3, 4); 35 (1, 3, 4); 36 (1, 3, 4); 37 (1, 4); 38 (2-4); 39 (1); 40 (2-4); 41 (1, 2, 4); 42 (1-3); 43 (1, 2); 44 (1-4); 45 (1-3); 46 (1-3); 47 (1-3); 48 (1, 3); 49 (1, 3, 4); 50 (1, 2-3); 51 (1-4); 52 (1, 4); 53 (1, 2, 3-4); 54 (1-4); 56 (2-4); 57 (1-3); 58 (1-4); 59 (2-4); 60 (1, 2, 3-4); 61 (1, 2-4); 62 (1-4); 63 (1, 2-4); 64 (1-4); 65 (1-4); 66 (1-3, 4); 67 (1-2, 3, 4); 68 (1, 2, 3-4); 69 (1, 2-3, 4); 70 (1-3, 4); 71 (1-4); 72 (1); 73; 74; 75; 76; 77; 78; 79; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 110; 111; 112; 113; 114; 115; 116; 117; 118
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