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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1); 2; 3; 4; 5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19 (2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2)
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Portico
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Preserved
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2026-04-02
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Preserved : 1996: 1(1), 1997: 2(1), 1998: 3(1), 1999: 4(1), 2000: 5(1), 2002: 6(1), 2002: 7(1), 2003: 8(1), 2004: 9(1), 2005: 10(1), 2006: 11(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 2008: 13(1), 2013: 14(1), 2010: 15(1), 2011: 16(1), 2012: 17(1), 2014: 18(1), 2014: 19(1-2), 2015: 20(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 27, 29
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 29
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LOCKSS Archive
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In Progress
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2026-04-06
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30
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 12(1), 2008: 13(1), 2009: 14(1), 2010: 15(1), 2011: 16(1), 2012: 17(1), 2013: 18(1), 2014: 19(1-2), 2015: 20(1-2), 2016: 21(1-2), 2017: 22(1-2), 2018: 23(1-2), 2019: 24(1-2), 2020: 25(1-2), 2021: 26(1-2), 2022: 27(1-2), 2023: 28(1-2), 2024: 29(1-2), 2025: 30(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 : 22 (2); 23 (1)
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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 : 22 (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 : 1 (1); 2 (2); 3 (1); 4; 5; 6; 7; 8; 9; 11; 12; 13; 14; 15; 16; 17; 18; 19 (2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2)
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