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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 48
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Portico
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Preserved
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2026-04-23
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Preserved : 1979: 1(1-4), 1980: 2(1-4), 1981: 3(1-4), 1982: 4(1-4), 1983: 5(1-4), 1984: 6(1-4)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 7 (1 to 4); 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 to 4); 15 (1, 2-3, 4); 16 (1, 2, 3-4); 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, 2 to 4); 27 (1 to 4, 5-6); 28 (1-2, 3 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 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (Suppl, 1 to 12); 46 (1 to 12); 47 (1 to 12); 48 (1 to 5)
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Internet Archive
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Preserved
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2025-08-08
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28
|
|
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Portico
|
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Preserved
|
2026-04-23
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Preserved : 1985: 7(1-4), 1986: 8(1-4), 1987: 9(1-4), 1988: 10(1-4), 1989: 11(1-4), 1990: 12(1-4), 1991: 13(1-4), 1992: 14(1-4), 1993: 15(1-4), 1994: 16(1-4), 1995: 17(1-4), 1996: 18(1-4), 1997: 19(1)
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Portico
|
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Preserved
|
2026-04-23
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Preserved : 2002: 24(3), 2003: 25(3)
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|
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Portico
|
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Preserved
|
2026-04-23
|
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Preserved : 2005: 27(5-6), 2006: 28(1-2, 6), 2007: 29(1-3, 5), 2008: 30(1-6), 2009: 31(1-6), 2010: 32(1-6), 2011: 33(1-6), 2012: 34(1-4, 6), 2013: 35(1-5), 2014: 36(1-6), 2015: 37(2-6), 2016: 38(1-6), 2017: 39(1-6), 2018: 40(1-6), 2019: 41(1-6), 2019/2020: 42(1-12), 2021: 43(1-12), 2022: 44(1-12), 2023: 45(1, S 1, 2-12), 2024: 46(1-12), 2025: 47(1-12), 2025/2026: 48(1-7)
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|
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LOCKSS Archive
|
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In Progress
|
2026-04-27
|
|
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34
|
|
|
LOCKSS Archive
|
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Preserved
|
2026-04-27
|
|
|
35 to 41
|
|
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Library of Congress
|
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Preserved
|
2025-04-07
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|
|
38 (5); 40 (2 to 6); 41 (1 to 6); 42 (1 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1, S1, 2 to 12); 46 (1 to 11); 47 (1, 2)
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National Digital Preservation Program, China
|
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Preserved
|
2025-10-23
|
|
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Preserved : 2 (1 to 4); 3 (1 to 6); 4 (1 to 6); 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 3); 27 (1 to 5); 28 (1, 3 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 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (Suppl 1, 1 to 9, 11, 12); 46 (1 to 9, 11, 12)
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|
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National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 2 (1 to 4); 3 (1 to 6); 4 (1 to 6); 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 3); 27 (1 to 5); 28 (1, 3 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 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (Suppl 1, 1 to 9, 11, 12); 46 (1 to 9, 11, 12)
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|
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National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 19 (1, 2, 4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1, 2); 27 (1-3); 28 (1-2, 3-6); 29 (1, 4-6); 30 (1-6); 31 (supplement-1, 1-6); 32 (1-6); 33 (supplement-1, 2-6); 34 (supplement-1, 1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-6); 40 (1-6); 41 (1-5)
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