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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 31 (1 to 6); 32 (1 to 6, 47, 49, 50); 33 (1 to 6); 34 (1, 2, 4 to 6); 35 (1 to 6); 36 (1 to 6); 37 (sup52, 1 to 6); 38 (1 to 6); 39 (1-2, 3 to 6); 40 (sup54, 1 to 6); 41 (1 to 6); 42 (sup56, 1 to 6); 43 (sup1, 1 to 6); 44 (S58, 1 to 6); 45 (sup59, 1 to 6); 46 (sup60, 1 to 6); 47 (sup61, 1 to 6); 48 (sup63, 1 to 6); 49 (1 to 6); 50 (1 to 4, 5-6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1); 57; 58; 59
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Portico
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Preserved
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2026-06-04
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Preserved : 1969: 3(2-3)
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Portico
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Preserved
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2026-06-04
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Preserved : 2009: 43(6), 2010: 44(1-6, S 58), 2011: 45(1-6, S 58, S 59), 2012: 46(1-6, S 60), 2013: 47(1-6, S 61, S 62), 2014: 48(1-6, S 63), 2015: 49(1-5)
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LOCKSS Archive
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Preserved
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2026-06-01
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31 to 58
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LOCKSS Archive
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In Progress
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2026-06-01
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59, 60
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Portico
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Preserved
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2026-06-04
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Preserved : 1997: 31(1-6), 1998: 32(1-6), 1999: 33(1-6), 2000: 34(1-2, 4-6), 2001: 35(1-6), 2002: 36(1-6), 2003: 37(1-6), 2004: 38(1-6), 2005: 39(1-6), 2006: 40(1-6), 2007: 41(1-6), 2007/2008: 42(1-6)
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Portico
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Preserved
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2026-06-04
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Preserved : 2009: 43(1-6, supp 57), 2010: 44(1-6), 2011: 45(1-6), 2012: 46(1-6), 2013: 47(1-6), 2014: 48(1-6), 2015: 49(1-6), 2016: 50(1-6), 2017: 51(1-6), 2018: 52(1-6), 2019: 53(1-6), 2020: 54(1-6), 2021: 55(1-6), 2022: 56(1), 2023: 57(1), 2024: 58(1), 2025: 59(1), 2026: 60(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 : 4 (sup54, 1 to 6); 5 (1 to 4, 5-6); 31 (1 to 6); 32 (1 to 6, 47, 49); 33 (1 to 6); 34 (1, 2, 4 to 6); 35 (1 to 6); 36 (1 to 6); 37 (sup52, 1 to 6); 38 (1 to 6); 39 (1-2, 3 to 6); 41 (1 to 6); 42 (sup56, 1 to 6); 43 (sup1, 1 to 6); 44 (sup58, 1 to 6); 45 (sup59, 1 to 6); 46 (sup6, 1 to 6); 47 (sup61, 1 to 6); 48 (sup63, 1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1); 57; 58
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