Scholars Portal
1996-2021
Preserved
2026-03-19
Preserved : 99 (9 to 12); 100 (1 to 12); 101 (1 to 12); 102 (1 to 12); 103 (1 to 12); 104 (1 to 12); 105 (1 to 7, 9 to 12); 106 (1 to 6, 8 to 12); 107 (1 to 12); 108 (1 to 12); 109 (1 to 12); 110 (1 to 12); 111 (1 to 12); 112 (1 to 12); 113 (1 to 12); 114 (1 to 12); 115 (1 to 12); 116 (1 to 12); 117 (1 to 12); 118 (1 to 12); 119 (1 to 12); 120 (1, 4); 121 (6, 12); 123 (Suppl); 124 (12)
Internet Archive
1981-1982
Preserved
2025-08-08
84 to 85
Portico
1996-2014
Preserved
2026-04-09
Preserved : 1996: 99(10, 12), 1997: 100(1-12), 1998: 101(1-12), 1999: 102(1-12), 2000: 103(1-12), 2001: 104(1-12), 2002: 105(1-12), 2003: 106(1-12), 2004: 107(1-12), 2005: 108(1-12), 2006: 109(1-12), 2007: 110(1-12), 2008: 111(1-12), 2009: 112(1-12), 2010: 113(1-12), 2011: 114(1-12), 2012: 115(1-12), 2013: 116(1-12), 2014: 117(1-11)
CLOCKSS Archive
1997-2022
Preserved
2026-04-06
100 to 125
LOCKSS Archive
2012-2019
In Progress
2026-04-06
115, 122
LOCKSS Archive
2013-2018
Preserved
2026-04-06
116 to 121
Portico
2015-2022
Preserved
2026-04-09
Preserved : 2015: 118(1, 3-12), 2016: 119(1-12), 2017: 120(1-12), 2018: 121(1-12), 2019: 122(1-12), 2020: 123(1, S 1, 2-12), 2021: 124(1, S 1, 2-12), 2022: 125(1-5)
National Library of the Netherlands
1996-2019
Preserved
2024-12-15
Preserved : 6 (9); 99 (10-12); 100 (1-12); 101 (1-12); 102 (1-12); 103 (1-12); 104 (1-12); 105 (1-12); 106 (1-12); 107 (1-12); 108 (1-12); 109 (1-12); 110 (1, 2, 4-12); 111 (1-12); 112 (1-12); 113 (supplement-1, 1-12); 114 (supplement-1, 1-12); 115 (1-12); 116 (1-12); 117 (1-12); 118 (supplement-1, 1-12); 119 (1-12); 120 (supplement-1, 1-12); 121 (1-12); 122 (1-4, 6-11)
National Digital Preservation Program, China
1997-2024
Preserved
2025-10-23
Preserved : ; 1 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 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); 111 (1 to 9, 11, 12); 112 (1 to 9, 11, 12); 113 (1 to 9, 11, 12); 114 (1 to 9, 11, 12); 115 (1 to 9, 11, 12); 116 (1 to 9, 11, 12); 117 (1 to 9, 11, 12); 118 (1 to 9, 11, 12); 119 (1 to 9, 11, 12); 121 (1 to 9, 11, 12); 122 (1 to 9, 11, 12); 123 (Suppl 1, 1 to 9, 11, 12); 124 (Suppl 1, 1 to 9, 11, 12); 125 (Suppl 1, 1 to 9, 11, 12); 126 (1 to 9, 11, 12); 127 (1 to 9, 11, 12)
National Digital Preservation Program, China
1997-2024
Preserved
2025-12-04
Preserved : ; 1 (1 to 9, 11, 12); 11 (1 to 9, 11, 12); 12 (1 to 9, 11, 12); 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); 111 (1 to 9, 11, 12); 112 (1 to 9, 11, 12); 113 (1 to 9, 11, 12); 114 (1 to 9, 11, 12); 115 (1 to 9, 11, 12); 116 (1 to 9, 11, 12); 117 (1 to 9, 11, 12); 118 (1 to 9, 11, 12); 119 (1 to 9, 11, 12); 121 (1 to 9, 11, 12); 122 (1 to 9, 11, 12); 123 (Suppl 1, 1 to 9, 11, 12); 124 (Suppl 1, 1 to 9, 11, 12); 125 (Suppl 1, 1 to 9, 11, 12); 126 (1 to 9, 11, 12); 127 (1 to 9, 11, 12)