Scholars Portal
1996-2022
Preserved
2026-03-19
Preserved : 17 (3 to 6); 18 (1 to 7); 19 (1 to 6); 20 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (Suppl, 1 to 6); 37 (1 to 6); 38 (2, 6); 39; 40 (Suppl); 41; 42; 43 (1)
Portico
1996-2022
Preserved
2026-04-23
Preserved : 1996: 17(3-6), 1997: 18(1-6), 1998: 19(1-6), 1999: 20(1-6), 2000: 21(1-6), 2001: 22(1-6), 2002: 23(1-6), 2003: 24(1-6), 2004: 25(1-6), 2005: 26(1-6), 2006: 27(1-6), 2007: 28(1-6), 2008: 29(1, S 1, 2-6), 2009: 30(1-2, S 2, 3-6), 2010: 31(1, S 1, 2-6), 2011: 32(1-2, S 2, 3-6), 2012: 33(1, S 1, 2, S 2, 3-6), 2013: 34(1-2, S 2, 3-6), 2014: 35(1-2, S 2, 3-6), 2015: 36(1, S 1, 2, S 2, 3-6), 2016: 37(1-2, S 2, 3-6), 2017: 38(1, S 1, 2, S 2, 3-6), 2018: 39(1, S 1, 2, S 2, 3-6), 2019: 40(1-2, S 2, 3, S 3, 4-6), 2020: 41(1, S 1, 2, S 2, 3-6), 2021: 42(1, S 1, 2, S 2, 3-6), 2022: 43(1-3)
CLOCKSS Archive
1997-2022
Preserved
2026-04-13
18 to 43
LOCKSS Archive
2012-2019
In Progress
2026-04-13
33, 40
LOCKSS Archive
2013-2018
Preserved
2026-04-13
34 to 39
National Library of the Netherlands
1996-2019
Preserved
2024-12-15
Preserved : 17 (3-6); 18 (1-6); 19 (1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-4, 6); 28 (1-6); 29 (1-6); 30 (supplement-1, 1-6); 31 (supplement-1, 1-6); 32 (supplement-1, 1-6); 33 (supplement-2, 1-6); 34 (supplement-1, 1-6); 35 (supplement-1, 1-6); 36 (supplement-2, 1-6); 37 (supplement-1, 1-6); 38 (supplement-1, 1-6); 39 (supplement-1, 1-6); 40 (supplement-1, 1-6)
National Digital Preservation Program, China
1997-2024
Preserved
2025-10-23
Preserved : 2 (1 to 6); 3 (1 to 6); 4 (Suppl 2, 1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (Suppl 1, 1 to 6); 41 (Suppl 1, 1 to 6); 42 (Suppl 2, 1 to 6); 43 (Suppl 1, 1 to 6); 44 (Suppl 3, 1 to 6); 45 (Suppl 1, 1 to 6)
National Digital Preservation Program, China
1997-2024
Preserved
2025-12-04
Preserved : 2 (1 to 6); 3 (1 to 6); 4 (Suppl 2, 1 to 6); 18 (1 to 6); 19 (1 to 6); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (Suppl 1, 1 to 6); 41 (Suppl 1, 1 to 6); 42 (Suppl 2, 1 to 6); 43 (Suppl 1, 1 to 6); 44 (Suppl 3, 1 to 6); 45 (Suppl 1, 1 to 6)