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Internet Archive
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Preserved
|
2025-08-08
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|
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1 to 40
|
|
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1974: 1(2-3), 1975: 2(1, 4), 1976: 3(1-4)
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|
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1978: 5(1-3), 1979: 6(2-4), 1980: 7(2-4), 1981: 8(1, 3), 1982: 9(2), 1983: 10(2)
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|
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Portico
|
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Preserved
|
2026-02-12
|
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Preserved : 1984: 11(3), 1985: 12(1, 3)
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|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
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Preserved : 1987: 14(1-2)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1988: 15(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2000: 27(1-4), 2001: 28(1-3), 2002: 29(1-4), 2003: 30(1, 3-4), 2004: 31(1-2), 2005: 32(2, 4), 2006: 33(2-3), 2007: 34(1-6), 2008: 35(1-2, 4-6), 2009: 36(1-6), 2010: 37(1-6), 2011: 38(1-6), 2012: 39(1-6), 2013: 40(1-6), 2014: 41(1-6), 2015: 42(1-6), 2016/2017: 43(1-6), 2017/2018: 44(1-6), 2018/2019: 45(1-6), 2019/2020: 46(1-6), 2020/2021: 47(1-6), 2021/2022: 48(2-6), 2022/2023: 49(1-5)
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|
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CLOCKSS Archive
|
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Preserved
|
2026-02-09
|
|
|
34 to 38, 40, 41
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
34 to 50
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
37 to 51
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
51
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2025: 51(6), 2025/2026: 52(1-5)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1997: 23(4), 1997/1998: 24(1-4), 1998/1999: 25(1-4), 1999/2000: 26(1-4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2002: 28(4), 2002: 29(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2003: 30(2), 2004: 31(S 1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2005: 32(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2006: 33(4), 2007/2008: 34(1-6), 2008: 35(1, 3-6), 2008/2009/2010: 36(1-6), 2010/2011: 37(1-6), 2011/2012: 38(1-6), 2012/2013: 39(1-6), 2013/2014: 40(1-6), 2014/2015: 41(1-6)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : ; 42 (5, 6); 43 (1 to 4); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 4)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : ; 42 (5, 6); 43 (1 to 4); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 4)
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