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Internet Archive
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Preserved
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2025-08-08
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1 to 44
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 20 (2 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); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 4, 5-6); 36 (1, 2-3, 4, 5-6); 37 (1 to 4, 5-6); 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 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1)
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Portico
|
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Preserved
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2026-04-23
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Preserved : 1991: 20(1-6), 1992: 21(1-6), 1993: 22(1-6), 1994: 23(1-6), 1995: 24(1-6), 1996: 25(1-6)
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Portico
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Preserved
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2026-04-23
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Preserved : 2006: 35(1-3, 5-6), 2007: 36(4), 2008: 37(1-6), 2009: 38(1-6), 2010: 39(1-6), 2011: 40(1-6), 2012: 41(2-3, 6), 2013: 42(1-6), 2014: 43(1-6), 2015: 44(2-6), 2016: 45(1-6), 2017: 46(1-6), 2018: 47(1-6), 2019: 48(1-6), 2019/2020: 49(1-6), 2021: 50(1-6), 2022: 51(1-6), 2023: 52(1-6), 2024: 53(1-6), 2025: 54(1, 3-6), 2026: 55(1-2)
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LOCKSS Archive
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In Progress
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2026-04-13
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41, 48
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LOCKSS Archive
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Preserved
|
2026-04-13
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42 to 47
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Library of Congress
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Preserved
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2025-04-07
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46 (3, 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6)
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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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|
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Preserved : 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 5); 36 (1, 2, 4, 5); 37 (1 to 5); 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); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 3 (1 to 6); 4 (1 to 6); 5 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 5); 36 (1, 2, 4, 5); 37 (1 to 5); 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); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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|
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Preserved : 27 (4-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-4, 5-6); 36 (1, 2-3, 4, 5-6); 37 (1-4, 5-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1, 2, 4-6)
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