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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 5 (1); 7 (, 1); 9 (, 1); 10 (, 1); 46 (, 1 to 4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 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 to 3); 67 (, 1 to 3); 68 (, 1 to 3); 69 (, 1 to 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 to 3); 77 (, 1 to 3); 78 (, 1 to 3); 79 (, 1 to 3); 80 (, 1 to 3); 81 (, 1 to 3); 82 (, 1 to 3); 83 (, 1 to 3); 84 (, 1 to 3); 85 (, 1 to 3); 86 (, 1 to 3); 87 (, 1 to 3); 88 (, 1 to 3); 89 (, 1 to 3); 90 (, 1 to 3); 91 (, 1 to 3); 92 (, 1 to 3); 93 (, 1 to 3); 94 (, 1 to 3); 95 (, 1 to 3); 96 (, 1 to 3); 97 (, 1 to 3); 98 (, 1 to 3); 99 (, 1 to 3); 100 (, 1 to 3); 101 (, 1 to 3); 102 (, 1 to 3); 103 (, 1 to 3); 104 (, 1 to 3); 105 (, 1 to 3); 106 (, 1 to 3); 107 (, 1 to 3); 108 (, 1 to 3); 109 (, 1 to 3); 110 (, 1 to 3); 111 (, 1 to 3); 112 (, 1 to 3); 113 (, 1 to 3); 114 (, 1 to 3); 115 (, 1 to 3); 116 (, 1 to 3); 117 (, 1 to 3); 118 (, 1 to 3); 119 (, 1 to 3); 120 (, 1 to 3); 121 (, 1 to 3); 122 (, 1 to 3); 123 (, 1 to 3); 124 (, 1 to 3); 125 (, 1 to 3); 128 (, 1 to 3); 129 (, 1 to 3); 130 (, 1 to 3); 131 (, 1 to 3); 132 (, 1 to 3); 133 (, 1 to 3); 134 (, 1 to 3); 135 (, 1 to 3); 136 (, 1 to 3); 137 (, 1 to 3); 138 (, 1 to 3); 139 (, 1 to 3); 140 (, 1 to 3); 141 (, 1 to 3); 142 (, 1 to 3); 143 (, 1 to 3); 144 (, 1 to 3); 145 (, 1 to 3); 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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55 to 56
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 147
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Portico
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Preserved
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2026-02-12
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Preserved : 1986: 5(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1993: 7(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 72(2), 2001: 73(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 9(1), 2005: 10(1), 1986: 46(1-4), 1987: 47(1-4), 1988: 48(1-4), 1989: 49(1-3), 1989: 50(1-3), 1990: 51(1-3), 1990: 52(1-3), 1991: 53(1-3), 1991: 54(1-3), 1992: 55(1-3), 1992: 56(1-3), 1993: 57(1-3), 1993: 58(1-3), 1994: 59(1-3), 1994: 60(1-3), 1995: 61(1-3), 1995: 62(1-3), 1996: 63(1-3), 1996: 64(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 77(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 86(1), 2006: 87(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 95(1-3), 2009: 96(1-3), 2009: 97(1-3), 2009: 98(1-3), 2010: 99(1-3), 2010: 100(1-3), 2010: 101(1-3), 2011: 102(1-3), 2011: 103(1-3), 2011: 104(1-3), 2012: 105(1, 3), 2012: 106(1-3), 2012: 107(3), 2013: 108(1-3), 2013: 109(1-3), 2013: 110(1-2), 2014: 111(1-3), 2014: 112(1-3), 2014: 113(1-3), 2015: 114(2-3), 2015: 115(1-3), 2015: 116(1-3), 2016: 117(1-3), 2016: 118(1-3), 2016: 119(1-3), 2017: 120(1-3), 2017: 121(1-3), 2017: 122(1-3), 2018: 123(1-3), 2018: 124(1-3), 2018: 125(1-3), 2019: 126(1-3), 2019: 127(1-3), 2019: 128(1-3), 2019/2020: 129(1-3), 2019/2020: 130(1-3), 2018/2020: 131(1-3), 2021: 132(1-3), 2021: 133(1-3), 2021: 134(1-3), 2022: 135(1-3), 2022: 136(1-3), 2022: 137(1-3), 2023: 138(2-3), 2023: 139(1-3), 2023: 140(1-3), 2024: 141(1-3), 2024: 142(1-3), 2024: 143(1-3), 2025: 144(1-3), 2025: 145(1-3), 2025: 146(1-3), 2025: 147(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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105 to 107, 126, 128
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LOCKSS Archive
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Preserved
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2026-02-09
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108 to 125, 127
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Library of Congress
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Preserved
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2025-04-07
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123 (2, 3); 124 (1 to 3); 125 (1 to 3); 126 (1 to 3); 127 (1 to 3); 128 (1 to 3); 129 (1 to 3); 130 (1 to 3); 131 (1 to 3); 132 (1 to 3); 133 (1 to 3); 134 (1 to 3); 135 (1 to 3); 136 (1 to 3); 137 (1 to 3); 138 (1 to 3); 139 (1 to 3); 140 (1 to 3); 141 (1 to 3); 142 (1 to 3); 143 (1 to 3)
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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 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (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 to 3); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 81 (1 to 3); 82 (1 to 3); 83 (1 to 3); 84 (1 to 3); 85 (1 to 3); 86 (1 to 3); 87 (1 to 3); 88 (1 to 3); 89 (1 to 3); 91 (1 to 3); 92 (1 to 3); 93 (1 to 3); 94 (1 to 3); 95 (1 to 3); 96 (1 to 3); 97 (1 to 3); 98 (1 to 3); 99 (1 to 3); 111 (1 to 3); 112 (1 to 3); 113 (1 to 3); 114 (1 to 3); 115 (1 to 3); 116 (1 to 3); 117 (1 to 3); 118 (1 to 3); 119 (1 to 3); 121 (1 to 3); 122 (1 to 3); 123 (1 to 3); 124 (1 to 3); 125 (1 to 3); 126 (1 to 3); 127 (1 to 3); 128 (1 to 3); 129 (1 to 3); 131 (1 to 3); 132 (1 to 3); 133 (1 to 3); 134 (1 to 3); 135 (1 to 3); 136 (1 to 3); 137 (1 to 3); 138 (1 to 3); 139 (1 to 3); 141 (1 to 3); 142 (1 to 3)
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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 to 3); 7 (1 to 3); 8 (1 to 3); 9 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1 to 3); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 65 (1 to 3); 66 (1 to 3); 67 (1 to 3); 68 (1 to 3); 69 (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 to 3); 77 (1 to 3); 78 (1 to 3); 79 (1 to 3); 81 (1 to 3); 82 (1 to 3); 83 (1 to 3); 84 (1 to 3); 85 (1 to 3); 86 (1 to 3); 87 (1 to 3); 88 (1 to 3); 89 (1 to 3); 91 (1 to 3); 92 (1 to 3); 93 (1 to 3); 94 (1 to 3); 95 (1 to 3); 96 (1 to 3); 97 (1 to 3); 98 (1 to 3); 99 (1 to 3); 111 (1 to 3); 112 (1 to 3); 113 (1 to 3); 114 (1 to 3); 115 (1 to 3); 116 (1 to 3); 117 (1 to 3); 118 (1 to 3); 119 (1 to 3); 121 (1 to 3); 122 (1 to 3); 123 (1 to 3); 124 (1 to 3); 125 (1 to 3); 126 (1 to 3); 127 (1 to 3); 128 (1 to 3); 129 (1 to 3); 131 (1 to 3); 132 (1 to 3); 133 (1 to 3); 134 (1 to 3); 135 (1 to 3); 136 (1 to 3); 137 (1 to 3); 138 (1 to 3); 139 (1 to 3); 141 (1 to 3); 142 (1 to 3)
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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 : 72 (2); 75 (1-3); 76 (1-3); 77 (supplement-1, 1-3); 78 (1-3); 79 (1-3); 80 (1-3); 81 (1-3); 82 (1-3); 83 (1-3); 84 (1-3); 85 (1-3); 86 (supplement-1, 1-3); 87 (1-3); 88 (1-3); 89 (1-3); 90 (1, 2); 91 (1-3); 92 (1-3); 93 (1-3); 94 (1-3); 95 (1-3); 96 (1-3); 97 (1-3); 98 (1-3); 99 (1-3); 100 (1-3); 101 (1-3); 102 (1-3); 103 (1-3); 104 (1-3); 105 (1-3); 106 (1-3); 107 (1-3); 108 (1-3); 109 (1-3); 110 (1-3); 111 (1-3); 112 (1-3); 113 (1-3); 114 (1-3); 115 (1-3); 116 (1-3); 117 (1-3); 118 (1-3); 119 (1-3); 120 (1-3); 121 (1-3); 122 (1-3); 123 (1-3); 124 (1-3); 125 (1-3); 126 (1-3); 127 (1-3); 128 (1-3)
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