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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 42 (1 to 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 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 4); 57 (, 1 to 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1 to 4); 66 (, 1 to 4); 67 (, 1 to 4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 4); 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
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Internet Archive
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Preserved
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2025-08-08
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1 to 56
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Portico
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Preserved
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2026-02-12
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Preserved : 1991: 37(3-4), 1992: 38(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 40(4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 42(2-4), 1997: 43(1-3), 1998: 44(3-4), 1999: 45(3), 2000: 46(1), 2001: 47(1-4), 2002: 48(1-4), 2003: 49(1-4), 2004: 50(1-4), 2005: 51(1-4), 2006: 52(1-4), 2007: 53(1-4), 2008: 54(1-4), 2009: 55(1-4), 2010: 56(1-4), 2011: 57(1-4), 2012: 58(1-4), 2013: 59(1-4), 2014: 60(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1990: 36(1-3), 1991: 37(1-3), 1992: 38(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 47(1-3), 2002: 48(1-3), 2003: 49(1-3), 2004: 50(1-3)
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CLOCKSS Archive
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Preserved
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2026-02-09
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55 to 61
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LOCKSS Archive
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Preserved
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2026-02-09
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55 to 61
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 57(2-3), 2012/2014: 58(1-4), 2014: 59(1-4), 2014: 60(1-4), 2015: 61(1-4), 2016: 62(1-4), 2017: 63(1-4), 2018: 64(1-4), 2019: 65(1-4), 2020: 66(1-4), 2021: 67(1-4), 2022: 68(1-4), 2023: 69(1-4), 2024: 70(1-4), 2025: 71(1-4)
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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 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 6 (2 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4)
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British Library
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Preserved
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2019-09-18
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Preserved : 47 (1), 57 (2 to 3), 58 (3 to 4), 59 (1 to 4), 60 (1 to 3), 61 (1 to 4), 62 (1 to 3), 63 (1 to 4), 64 (2; 4)
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