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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 1(1-2, S 2, 3-5, S 5, 6), 1995: 2(1-6, ), 1996: 3(1-6), 1997: 4(1-6), 1998: 5(1-6), 1999: 6(1-6), 2000: 7(1-6), 2001: 8(1-6), 2002: 9(1-5, 5, Part B, 6), 2003: 10(1-6), 2004: 11(1-6), 2005: 12(1-6), 2006: 13(1-6), 2007: 14(1-6), 2008: 15(1-6)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 6); 2 (, 1 to 6); 3 (, 1 to 6); 4 (, 1 to 6); 5 (, 1 to 6); 6 (, 1 to 6); 7 (, 1 to 6); 8 (, 1 to 6); 9 (, 1 to 4 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 6); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1 to 6); 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); 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
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CLOCKSS Archive
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Preserved
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2026-02-09
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2 to 15, 18 to 55
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 18(3-6), 2012: 19(1-2, 5-6), 2013: 20(1-6), 2014: 21(1-6), 2015: 22(1-6), 2016: 23(1-6), 2017: 24(1-6), 2018: 25(1-6), 2019: 26(1-6), 2020: 27(1-6), 2021: 28(1-6), 2022: 29(1-6), 2023: 30(1-6), 2024: 31, 2024: 32, 2024: 33, 2024: 34, 2024: 35, 2024: 36, 2024: 37, 2024: 38, 2024: 39, 2024: 40, 2024: 41, 2024: 42, 2025: 43, 2025: 44, 2025: 45(S, ), 2025: 46, 2025: 47, 2025: 48, 2025: 49, 2025: 50(S), 2025: 51, 2025: 52, 2025: 53, 2025: 54, 2026: 55
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 25
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 30
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Portico
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Preserved
|
2026-02-12
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Preserved : 1994: 1(1-2, S 2, 3-6), 1995: 2(1-6), 1996: 3(1-6), 1997: 4(1, S 1, 2-6), 1998: 5(1-6), 1999: 6(1, S 1, 2-6), 2000: 7(1-6), 2001: 8(1-6), 2002: 9(1-6), 2003: 10(1-6), 2004: 11(1-6), 2005: 12(1-6), 2006: 13(1-6), 2007: 14(1-6), 2008: 15(1-6), 2009: 16(1-6), 2010: 17(1-6), 2011: 18(1-6), 2012: 19(1-6), 2013: 20(1-6), 2014: 21(1-6), 2015: 22(1-6), 2016: 23(1-6), 2017: 24(1-6), 2018: 25(1-6), 2019: 26(1-6), 2020: 27(1-6), 2021: 28(1-6), 2022: 29(1-6), 2023: 30(1-6)
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LOCKSS Archive
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In Progress
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2026-02-09
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|
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26
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|
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 1 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 3)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 1 (1 to 6); 4 (1 to 6); 5 (1 to 6); 6 (1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1 to 6); 11 (1 to 6); 12 (1 to 6); 13 (1 to 6); 14 (1 to 6); 15 (1 to 6); 16 (1 to 6); 17 (1 to 3)
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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 : 2 (Suppl 1, 1 to 6); 3 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (Suppl 1, 1 to 6); 21 (Suppl 1, 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)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 2 (Suppl 1, 1 to 6); 3 (1 to 6); 16 (1 to 6); 17 (1 to 6); 18 (1 to 6); 19 (Suppl 1, 1 to 6); 21 (Suppl 1, 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)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 2 (1-6); 3 (1-5, 6P1); 4 (1P1, 2P1, 3-6); 5 (1-6); 6 (1P1, 2-6); 7 (1-6); 8 (1-4); 9 (1, 4-6); 10 (2-6); 11 (1-6); 12 (1-6); 13 (1-6); 14 (1-6); 15 (1-6); 16 (1-6); 17 (1, 3-6); 18 (1-6); 19 (supplement-1, 1-6); 20 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-5)
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