|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1970: 19(5), 1971: 21(5)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1972: 23(5)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1974: 26(6), 1974: 27(3, 6), 1975: 29(2), 1976: 30(4), 1976: 31(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1979: 37(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1987: 53(4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1991: 61(3, 5), 1992: 62(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1997: 70(3-4), 1998: 71(4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2002: 75(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2006: 79(2)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2012: 85(6), 2013: 86(1-3, 5-6), 2014: 87(1-6), 2015: 88(1-6), 2016: 89(1-6), 2017: 90(1-6), 2018: 91(1-6), 2019: 92(1-6), 2020: 93(1-6), 2021: 94(1-6), 2022: 95(1-7), 2023: 96(1-7), 2024: 97(1-7), 2025: 98(2-7)
|
|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 62 (1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1-2, 3-4, 5-6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1 to 6); 73 (, 1 to 6); 74 (, 1 to 6); 75 (, 1 to 6); 76 (, 1 to 6); 77 (, 1 to 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 6); 81 (, 1 to 6); 82 (, 1 to 6); 83 (, 1 to 6); 84 (, 1 to 6); 85 (, 1 to 6); 86 (, 1 to 6); 87 (, 1 to 6); 88 (, 1 to 6); 89 (, 1 to 6); 90 (, 1 to 6); 91 (, 1 to 6); 92 (, 1 to 6); 93 (, 1 to 6); 94 (, 1 to 6); 95 (, 1 to 7); 96 (, 1 to 7); 97 (, 2 to 7); 98 (, 1 to 3); 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
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
8 to 33
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
8 to 98
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
85, 92
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
86 to 91
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
90 (5); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 7); 96 (1 to 7); 97 (1 to 4)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 7 (2 to 6); 8 (1 to 6); 9 (1 to 6); 71 (1 to 3, 5, 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 7); 96 (1 to 7); 97 (1 to 7)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 7 (2 to 6); 8 (1 to 6); 9 (1 to 6); 71 (1 to 3, 5, 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1 to 6); 91 (1 to 6); 92 (1 to 6); 93 (1 to 6); 94 (1 to 6); 95 (1 to 7); 96 (1 to 7); 97 (1 to 7)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 81 (6); 83 (2 to 6); 84 (1 to 3)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 81 (6); 83 (2 to 6); 84 (1 to 3)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 16; 70; 71 (4); 73 (6); 74 (1-6); 75 (1-6); 76 (1-6); 77 (1-6); 78 (2-6); 79 (1-6); 80 (1-3, 5, 6); 81 (1-6); 82 (1-6); 83 (1-6); 84 (2-6); 85 (1-6); 86 (1-6); 87 (1-6); 88 (1-6); 89 (1-6); 90 (1-6); 91 (1-6); 92 (1-5)
|