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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 45 (1, 2, 3-4); 46 (, 1, 2, 3-4); 47 (, 1 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1 to 8); 62 (, 1 to 8); 63 (, 1 to 8); 64 (, 1 to 8); 65 (, 1 to 8); 66 (, 2 to 8); 67 (, 1 to 8); 68 (, 1 to 4, 5-8); 69 (, 1-4, 5-8); 70 (, 1 to 8); 71 (, 1 to 8); 72 (, 1 to 8); 73 (, 1 to 6); 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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CLOCKSS Archive
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Preserved
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2026-02-09
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58 to 63
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LOCKSS Archive
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Preserved
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2026-02-09
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60
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 52(1-4), 2005: 53(1-4), 2006: 54(1-4), 2007: 55(1-4), 2008: 56(1-6), 2009: 57(1-6), 2010: 58(1-6), 2011: 59(1-6), 2012: 60(1-6), 2013: 61(1-8), 2014: 62(1-8), 2015: 63(1-8), 2016: 64(1)
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LOCKSS Archive
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Preserved
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2026-02-09
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45 to 71
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print, 45 to 73
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LOCKSS Archive
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In Progress
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2026-02-09
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72
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 45(1-4), 1998: 46(1-4), 1999: 47(1-4), 2000: 48(1-4), 2001: 49(1-4), 2002: 50(1-4), 2003: 51(1-4), 2004: 52(1-4), 2005: 53(1-4), 2006: 54(1-4), 2007: 55(1-4), 2008: 56(1-6), 2009: 57(1-6), 2010: 58(1-6), 2011: 59(1-6), 2012: 60(1-6), 2013: 61(1-8), 2014: 62(1-8), 2015: 63(1-8), 2016: 64(1-8), 2017: 65(1-8), 2018: 66(1-8), 2019: 67(1-8), 2020: 68(1-8), 2021: 69(1-8), 2022: 70(1-8), 2023: 71(1-8), 2024: 72(1-8), 2025: 73(1-8), 2026: 74(1-2)
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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 : ; 6 (1 to 6); 54 (1 to 4); 55 (1 to 4); 56 (1 to 6); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 8); 62 (1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 8); 67 (1 to 8); 68 (1 to 4)
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Library of Congress
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Preserved
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2025-04-07
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64 (8); 65 (1 to 8); 66 (1 to 8); 67 (1 to 8); 68 (1 to 5-8); 69 (1-4, 5-8); 70 (1 to 8); 71 (1 to 8); 72 (1 to 8)
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