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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 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 to 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 6); 41 (1 to 8); 42 (1 to 12); 43 (1, 2, 4 to 12); 44 (1 to 12); 45 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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1 to 24
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 45
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Portico
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Preserved
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2026-04-16
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Preserved : 1982: 1(1-4), 1983: 2(1-4), 1984: 3(1-4), 1985: 4(1-4), 1986/1987: 5(1-4), 1987: 6(1-4), 1988: 7(1-4), 1989: 8(1-4), 1990: 9(1-4), 1991: 10(1-4), 1992: 11(1-4), 1993: 12(1-4), 1994: 13(1-4), 1995: 14(1-4), 1996: 15(1-4), 1997: 16(1-4), 1998: 17(1-4), 1999: 18(1-4), 2000: 19(1-4), 2001: 20(1-4), 2002: 21(1-4), 2003: 22(1-4), 2004: 23(1-4), 2005: 24(1-4), 2006: 25(1-4), 2007: 26(1-4), 2008: 27(1-4), 2009: 28(1-4), 2010: 29(1-4), 2011: 30(1-4), 2012: 31(1-4), 2013: 32(1-2, 4), 2014: 33(1-4), 2015: 34(1-4), 2016: 35(1-4), 2017: 36(1-4), 2018: 37(1-4), 2018/2019: 38(1-4), 2019/2020: 39(1-4), 2021: 40(1-6), 2022: 41(1-8), 2023: 42(1-12), 2024: 43(1-11), 2025: 44(1-2, 4-12), 2026: 45(1-3)
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LOCKSS Archive
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Preserved
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2026-04-13
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11 to 37
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LOCKSS Archive
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In Progress
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2026-04-13
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38
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Library of Congress
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Preserved
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2025-04-07
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37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 6); 41 (1 to 8); 42 (1 to 12); 43 (1 to 10)
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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 6); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 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 to 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 8); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12)
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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 6); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 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 to 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 8); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12)
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
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|
|
Preserved : 33 (2 to 4)
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National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 33 (2 to 4)
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|
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National Library of the Netherlands
|
|
Preserved
|
2024-12-15
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|
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Preserved : 19 (1, 4); 20; 21 (3, 4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (2-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4)
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