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Internet Archive
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Preserved
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2025-08-08
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4 to 8
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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 (1-2, 3, 4); 4 (1, 2, 3-4); 5 (1, 2-4); 6 (1 to 4); 7 (1 to 4); 8 (1-4); 9 (3, 4); 10 (1 to 4); 11 (1-4); 12 (2, 3-4); 13 (1, 2-3, 4); 14 (1-2, 3, 4); 15 (1-2, 3, 4); 16 (1, 2-4); 17 (1-4); 18 (2 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1-2, 3-4); 22 (1-3, 4); 23 (1, 2-3, 4); 24 (1, 2, 5, 6); 25 (1 to 4, 5-6); 26 (1 to 6); 27 (1, 2, 3-4, 5 to 8); 28 (1-2, 3 to 8); 29 (1 to 8); 30 (3 to 8); 31 (1 to 10); 32 (1 to 10); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 3)
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CLOCKSS Archive
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Preserved
|
2026-04-13
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ahead-of-print to 38
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Portico
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Preserved
|
2026-04-16
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Preserved : 1990: 3(3-4), 1990: 4(1-2)
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Portico
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Preserved
|
2026-04-16
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Preserved : 1991: 5(1), 1992: 6(1-4), 1993/1994: 7(1-4), 1994/1995: 9(3-4), 1995: 10(1-4), 1996/1997: 12(1-4), 1998/1999: 13(1-4), 2000: 14(1-4), 2001: 15(1-4), 2003/2004: 16(1-4), 2005: 17(1-4), 2006: 18(1-4), 2007: 19(1-4), 2008: 20(1-4), 2009: 21(3-4), 2010: 22(1-4), 2011: 23(1-4), 2012: 24(1-6), 2013: 25(1-6), 2014: 26(1-6), 2015: 27(1-8), 2016: 28(1-8), 2017: 29(1-8), 2018: 30(1-8), 2019: 31(1-10), 2020: 32(1-10), 2021: 33(1-12), 2022: 34(1-12), 2023: 35(1-12), 2024: 36(1-12), 2025: 37(1-12), 2026: 38(1-4)
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LOCKSS Archive
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Preserved
|
2026-04-13
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1 to 36
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CLOCKSS Archive
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Preserved
|
2026-04-13
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20 to 29
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LOCKSS Archive
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In Progress
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2026-04-13
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37, 38
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 32 (1, 8); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1, 2, 4)
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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 : 1 (1-4); 2 (1-4); 3 (1-2, 3, 4); 4 (1, 2, 3-4); 5 (1, 2-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (3, 4); 10 (1-4); 11 (1-4); 12 (2, 3-4); 13 (1, 2-3, 4); 14 (1-2, 3, 4); 15 (1-2, 3, 4); 16 (1, 2-4); 18 (4); 19 (1-4); 20 (1-4)
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Library of Congress
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Preserved
|
2025-04-07
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22 (1-3, 4); 23 (1, 2-3, 4); 24 (1 to 6); 25 (1 to 5-6); 26 (1 to 6); 27 (1 to 3-4, 5 to 8); 28 (1-2, 3 to 8); 29 (1 to 8); 30 (1-2, 3 to 8); 31 (1 to 10); 32 (1 to 10); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 10)
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