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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 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1-4); 5 (3, 4); 6 (1-3, 4); 7 (1, 2, 3-4); 8 (1 to 4); 9 (1, 2-4); 10 (1, 2, 3-4); 12 (1-3); 16 (3-4); 17 (1, 2, 3-4); 18 (1, 2-3, 4); 19 (1-2, 3-4); 20 (1-2, 3, 4); 21 (1-2, 3-4); 22 (1, 2-3, 4); 23 (1, 2-3, 4); 24 (1, 2, 3-4); 25 (1, 2, 3-4); 26 (1, 2-3, 4); 27 (1-2)
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 26
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CLOCKSS Archive
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In Progress
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2026-04-27
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1 to 27
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LOCKSS Archive
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In Progress
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2026-04-27
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1 to 16, 27
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Portico
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Preserved
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2026-04-23
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Preserved : 1993: 1(1-4), 1994: 2(1-4), 1995/1996: 3(1-4), 1996: 4(1-4), 1996/1997: 5(1-4), 1997/1998: 6(1-4), 1998/1999: 7(1-4), 1999/2000: 8(1-4), 2001: 9(1-4), 2002: 10(1-4), 2003: 11(1-4), 2004: 12(1-4), 2005: 13(1-4), 2006: 14(1-4), 2007: 15(1-4), 2008: 16(1-4), 2014: 17(1-4), 2015: 18(1-4), 2017: 19(1-4), 2018: 20(1-4), 2019: 21(1-4), 2020: 22(1-4), 2021: 23(1-4), 2022: 24(1-4), 2023: 25(1-4), 2024: 26(1-4), 2025: 27(1-2)
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LOCKSS Archive
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Preserved
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2026-04-27
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17 to 26
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LOCKSS Archive
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Preserved
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2026-04-27
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1 to 16
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CLOCKSS Archive
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Preserved
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2026-04-27
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16
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Portico
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Preserved
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2026-04-23
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Preserved : 1994: 2(1-4), 1995/1996: 3(1-4), 1996: 4(1-4), 1997: 5(3-4), 1997/1998: 6(1-4), 1998/1999: 7(1-4), 1999/2000: 8(1-4), 2001: 9(1-4), 2002: 10(1-4), 2003: 11(1-4), 2004: 12(1-4), 2005: 13(1-4), 2006: 14(1-4), 2007: 15(1-4), 2008: 16(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 : 2 (1-2, 3, 4); 18 (2-3, 4); 19 (1-2, 3-4); 21 (1-2, 3-4); 22 (1, 2-3, 4); 23 (1, 2-3, 4); 24 (1)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1-4); 2 (1, 2, 4); 3 (1-4); 4 (1-4); 5 (3, 4); 6 (1-3, 4); 7 (1, 2, 3-4); 8 (1-4); 9 (2-4); 10 (1, 2, 3-4); 11 (1-2, 3, 4); 12 (1-3, 4); 13 (1-3, 4); 14 (1-4); 15 (1, 2, 3-4); 16 (1-2, 3-4); 17 (1, 2, 3-4); 18 (1, 2-3, 4); 19 (1-2, 3-4); 20 (1-2, 3, 4); 21 (1-2); 55
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