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Internet Archive
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Preserved
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2025-08-08
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1 to 17
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 8 (1 to 4); 9 (1, 2, 3-4); 10 (1, 2-4); 11 (1, 2-3, 4); 12 (1-3, 4-5, 6); 13 (1 to 3, 4-5, 6); 14 (1 to 3, 4-5, 6); 15 (1 to 6); 16 (1 to 4, 5-6); 17 (1 to 6); 18 (1, 2-3, 4 to 6); 19 (1 to 6); 20 (1, 2, 3-4, 5, 6); 21 (1, 2-3, 4, 5-6); 22 (1 to 4 to 6); 23 (none, 1, 2-3, 4 to 6); 24 (1 to 4, 5-6); 25 (1, 2, 3-4, 5-6); 26 (1-3, 4 to 6); 27 (1 to 6); 28 (1, 2-3, 4, 5-6); 29 (1 to 3, 4-5, 6); 30 (1 to 3, 4-5, 6); 31 (1 to 6); 32 (1 to 3, 4-5, 6); 33 (1, 2, 3-4, 5, 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1)
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LOCKSS Archive
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Preserved
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2026-04-27
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1 to 39
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 47
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Portico
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Preserved
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2026-04-23
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Preserved : 1986: 8(1-4), 1987: 9(1-4), 1989: 10(1-4), 1990: 11(1-4), 1991: 12(1-6), 1992: 13(1-6), 1993: 14(1-6), 1994: 15(1-6), 1995: 16(1-6), 1996: 17(1-6)
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Portico
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Preserved
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2026-04-23
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Preserved : 2002: 23(6)
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Portico
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Preserved
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2026-04-23
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Preserved : 2005: 26(6), 2006: 27(1), 2007: 28(1, 4-6), 2008: 29(1-6), 2009: 30(1-6), 2010: 31(1-6), 2011: 32(1-6), 2012: 33(1, 3-4, 6), 2013: 34(1-4, 6), 2014: 35(1-6), 2015: 36(1-6), 2016: 37(1-6), 2017: 38(1-6), 2018: 39(1-6), 2019: 40(1-6), 2019/2020: 41(1-6), 2021: 42(1-6), 2022: 43(1-6), 2023: 44(1-6), 2024: 45(1-6), 2025: 46(1-6), 2026: 47(1-2)
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LOCKSS Archive
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In Progress
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2026-04-27
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40
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Library of Congress
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Preserved
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2025-04-07
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39 (2 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (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 : 2 (1 to 3, 5, 6); 3 (1 to 4, 6); 4 (1 to 6); 18 (1, 2, 4 to 6); 19 (1 to 6); 21 (1, 2, 4, 5); 22 (1 to 5); 23 (1, 2, 4 to 6); 24 (1 to 5); 25 (1 to 3, 5); 26 (1, 4 to 6); 27 (1 to 6); 28 (1, 2, 4, 5); 29 (1 to 4, 6); 31 (1 to 6); 32 (1 to 4, 6); 33 (1 to 3, 5, 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (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 (1 to 3, 5, 6); 3 (1 to 4, 6); 4 (1 to 6); 18 (1, 2, 4 to 6); 19 (1 to 6); 21 (1, 2, 4, 5); 22 (1 to 5); 23 (1, 2, 4 to 6); 24 (1 to 5); 25 (1 to 3, 5); 26 (1, 4 to 6); 27 (1 to 6); 28 (1, 2, 4, 5); 29 (1 to 4, 6); 31 (1 to 6); 32 (1 to 4, 6); 33 (1 to 3, 5, 6); 34 (1 to 6); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (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 : 18 (1, 2, 4-6); 19 (1-6); 20 (1-3, 5, 6); 21 (1, 2, 4, 5); 22 (1-5); 23 (1, 2, 4-6); 24 (1-5); 25 (1, 5-6); 26 (1-3, 4-6); 27 (1-3, 5, 6); 28 (1, 2-3, 4, 5-6); 29 (1-3, 4-5, 6); 30 (1-3, 4-5, 6); 31 (1-6); 32 (1-3, 4-5, 6); 33 (1, 2, 3-4, 5, 6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6)
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