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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1; 2; 3; 4; 5; 6; 7 (2); 8 (1 to 4); 9 (1, 2/3, 4); 10 (1, 2, 3/4); 11 (1, 2/3, 4); 12 (1/2, 3/4); 13 (1 to 4); 14 (1, 2/3, 4); 15 (1, 2/3, 4); 16 (1/2, 3, 4); 17 (1 to 4); 18 (1, 2/3, 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1, 2/4); 23 (1 to 4); 24 (1/2, 3, 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1, 2/3, 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4)
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Internet Archive
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Preserved
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2025-08-08
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12 to 31
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 49
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Portico
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Preserved
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2026-04-16
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Preserved : 1979: 4(1)
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Portico
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Preserved
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2026-04-16
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Preserved : 1983: 6(1), 1984: 7(1-4), 1985: 8(2)
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Portico
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Preserved
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2026-04-16
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Preserved : 1990: 13(2)
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Portico
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Preserved
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2026-04-16
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Preserved : 1992: 15(4)
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Portico
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Preserved
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2026-04-16
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Preserved : 1994: 17(2)
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Portico
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Preserved
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2026-04-16
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Preserved : 1996: 19(4)
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Portico
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Preserved
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2026-04-16
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Preserved : 1999: 22(1-4), 2000: 23(1)
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Portico
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Preserved
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2026-04-16
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Preserved : 2006: 29(2-3)
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Portico
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Preserved
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2026-04-16
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Preserved : 2008: 31(1-4), 2009: 32(1-2, 4), 2010: 33(1-4), 2011: 34(1-4), 2012: 35(1, 4), 2013: 36(1-4), 2014: 37(1-2, 4), 2015: 38(1-4), 2016: 39(1-4), 2017: 40(1-4), 2018: 41(1-4), 2019: 42(1-4), 2019/2020: 43(1-4), 2021: 44(1-4), 2022: 45(1-4), 2023: 46(1-4), 2024: 47(1-3), 2025: 48(1-4), 2026: 49(1)
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LOCKSS Archive
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In Progress
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2026-04-13
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35, 42
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LOCKSS Archive
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Preserved
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2026-04-13
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36 to 41
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Library of Congress
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Preserved
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2025-04-07
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41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1, 2, 4); 45 (1 to 4); 46 (1 to 4); 47 (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 (1 to 4); 3 (1 to 4); 4 (1 to 4); 21 (1 to 4); 22 (1, 2); 23 (1 to 4); 24 (1, 3, 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1, 2, 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4)
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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 4); 3 (1 to 4); 4 (1 to 4); 21 (1 to 4); 22 (1, 2); 23 (1 to 4); 24 (1, 3, 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1, 2, 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 20 (1-4); 21 (1-4); 22 (1, 2); 24 (1, 3, 4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1, 3, 4); 30 (1-3); 31 (1-3); 32 (1-4); 33 (1, 2-3, 4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-3)
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