Scholars Portal
2017-2025
Preserved
2025-09-02
Preserved : 25 (3); 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); 2017; 2019; 2020; 2021; 2022; 2023; 2024; 2025
CLOCKSS Archive
2011-2015
Preserved
2026-02-09
19 to 23
LOCKSS Archive
2011-2015
Preserved
2026-02-09
19 to 23
CLOCKSS Archive
2016-2016
In Progress
2026-02-09
24
Portico
1993-2018
Preserved
2026-02-12
Preserved : 1993: 1(1-2), 1994: 2(1-2), 1995: 3(1-2), 1996: 4(1-2), 1997: 5(1-3), 1998: 6(1-3), 1999: 7(1-3), 2000: 8(1-3), 2001: 9(1-3), 2002: 10(1-3), 2003: 11(1-3), 2004: 12(1-3), 2005: 13(1-3), 2006: 14(1-3), 2007: 15(1-3), 2008: 16(1-3), 2009: 17(1-3), 2010: 18(1-4), 2011: 19(1-4), 2012: 20(1-4), 2013: 21(1-4), 2014: 22(1-4), 2015: 23(1-4), 2016: 24(1-4), 2017: 25(1-4), 2018: 26(1-4)
LOCKSS Archive
2000-2003
In Progress
2026-02-09
8 to 11
CLOCKSS Archive
2000-2018
In Progress
2026-02-09
8 to 13, 15 to 18, 25, 26
LOCKSS Archive
2004-2018
Preserved
2026-02-09
12 to 18, 24 to 26
CLOCKSS Archive
2006-2006
Preserved
2026-02-09
14
LOCKSS Archive
1993-2024
Preserved
2026-02-09
1 to 32
CLOCKSS Archive
1993-2025
Preserved
2026-02-09
1 to 33
LOCKSS Archive
2025-2025
In Progress
2026-02-09
33
Portico
2019-2025
Preserved
2026-02-12
Preserved : 2019: 27(1-4), 2020: 28(1-4), 2021: 29(1-4), 2022: 30(1-4), 2023: 31(1-4), 2024: 32(1-4), 2025: 33(1-4)
National Digital Preservation Program, China
1997-2024
Preserved
2025-12-04
Preserved : 1 (2, 3); 2 (1 to 4); 3 (1 to 4); 5 (1 to 3); 6 (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 4); 19 (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); 31 (1 to 4); 32 (1 to 3)
National Library of the Netherlands
1993-2018
Preserved
2024-12-15
Preserved : 1 (2); 2 (1, 2); 3 (1, 2); 4 (1, 2); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (2-4); 26 (1-4)
Library of Congress
2019-2024
Preserved
2025-04-07
25 (3); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1, 2)
British Library
-
Preserved
2019-09-18
Preserved : 8 (1 to 3), 9 (1 to 3), 10 (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 4), 19 (1 to 4), 21 (2 to 4), 22 (1 to 4), 23 (1 to 4), 24 (1 to 4), 25 (2 to 4), 26 (1 to 3)