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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 64
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Portico
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Preserved
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2026-04-02
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Preserved : 1962/1963/1964: 1(1-6), 1963/1964: 2(1-6), 1964/1965: 3(1-6), 1965: 4(1-12), 1966: 5(1-12), 1967: 6(1-12), 1968: 7(1-12), 1969: 8(1-12), 1970: 9(1-12), 1971: 10(1-12), 1972: 11(1-12), 1973: 12(1-12), 1974: 13(1-12), 1975: 14(1-12), 1976: 15(1-12), 1977: 16(1-12), 1978: 17(1-12), 1979: 18(1-12), 1980: 19(1-12), 1981: 20(1-12), 1982: 21(1-12), 1983: 22(1-12), 1984: 23(1-12), 1985: 24(1-12), 1986: 25(1-12), 1987: 26(1-12), 1988: 27(1-12), 1989: 28(1-12), 1990: 29(1-12), 1991: 30(1-12), 1992: 31(1-12)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 36 (3-4, 5-6, 7-8, 9-10, 11-12); 37 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 38 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 39 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 40 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 41 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 42 (1-2, 3-4, 5-6, 7-8, 9-10, 11); 43 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 44 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 45 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 46 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 47 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 48 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 49 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 50 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 51 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 52 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 53 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 54 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 55 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 56 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 57 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 58 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 59 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 60 (1-2, 3-4, 5-6, 7-8, 9, 11-12); 61 (1-2, 3-4, 5-6, 7, 9-10, 11-12); 62 (1-2, 3-4, 5-6, 7-8, 9, 11-12); 63 (1-2, 3, 5, 7, 9, 11-12); 64 (1-2, 3-4)
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Internet Archive
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Preserved
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2025-08-08
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to 15
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LOCKSS Archive
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In Progress
|
2026-04-06
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|
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Portico
|
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Preserved
|
2026-04-02
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Preserved : 1993/1994: 32(1-12), 1995: 33(1-12), 1995/1996: 34(1-12), 1996: 35(1-12), 1997: 36(1-12), 1998: 37(1-12), 1999: 38(1-12), 2000: 39(1-12), 2001: 40(1-12), 2002: 41(1-12), 2003: 42(1-12), 2004: 43(1-12), 2005: 44(1-12), 2006: 45(1-12), 2007: 46(1-12), 2008: 47(1-12), 2009: 48(1-12), 2010/2011: 49(1-12), 2011/2012: 50(1-12), 2012/2013: 51(1-12), 2013/2014: 52(1-12), 2014/2015: 53(1-4, 9-12), 2015/2016: 54(1-12), 2016/2017: 55(1-12), 2017/2018: 56(1-12), 2018/2019: 57(1-12), 2019/2020: 58(1-12), 2020/2021: 59(1-12), 2021/2022: 60(1-12), 2022/2023: 61(1-4, 7-12), 2023/2024: 62(1-12), 2024/2025: 63(1-3, 5, 7, 9, 11-12), 2025: 64(1-6)
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Library of Congress
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Preserved
|
2025-04-07
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55 (9-10); 56 (9-10, 11-12); 57 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 58 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 59 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 60 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 61 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 62 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12)
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|
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National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 4 (1, 3, 5, 7, 9, 11); 5 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 6 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 36 (1, 3, 5, 7, 9, 11); 37 (1, 3, 5, 7, 9, 11); 38 (1, 3, 5, 7, 9, 11); 39 (1, 3, 5, 7, 9, 11); 41 (1, 3, 5, 7, 9, 11); 42 (1, 3, 5, 7, 9, 11); 43 (1, 3, 5, 7, 9, 11); 44 (1, 3, 5, 7, 9, 11); 45 (1, 3, 5, 7, 9, 11); 46 (1, 3, 5, 7, 9, 11); 47 (1, 3, 5, 7, 9, 11); 48 (1, 3, 5, 7, 9, 11); 49 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 51 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 52 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 53 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 54 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 55 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 56 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 57 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 58 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 59 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 61 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 62 (1-2, 3-4, 5-6, 9, 11); 63 (1, 3)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 4 (1, 3, 5, 7, 9, 11); 5 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 6 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 36 (1, 3, 5, 7, 9, 11); 37 (1, 3, 5, 7, 9, 11); 38 (1, 3, 5, 7, 9, 11); 39 (1, 3, 5, 7, 9, 11); 41 (1, 3, 5, 7, 9, 11); 42 (1, 3, 5, 7, 9, 11); 43 (1, 3, 5, 7, 9, 11); 44 (1, 3, 5, 7, 9, 11); 45 (1, 3, 5, 7, 9, 11); 46 (1, 3, 5, 7, 9, 11); 47 (1, 3, 5, 7, 9, 11); 48 (1, 3, 5, 7, 9, 11); 49 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 51 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 52 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 53 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 54 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 55 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 56 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 57 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 58 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 59 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 61 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 62 (1-2, 3-4, 5-6, 9, 11); 63 (1, 3)
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|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1); 48 (11); 49 (1, 3, 5, 7, 9, 11)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1); 48 (11); 49 (1, 3, 5, 7, 9, 11)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 39 (7, 9, 11); 40 (1, 3, 5, 7, 9, 11); 41 (1, 3, 5, 7, 9, 11); 42 (1, 3, 5, 7, 9, 11); 43 (1-2, 3, 5, 7, 9, 11-12); 44 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 45 (1-2, 3-4, 7-8, 9-10, 11-12); 46 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 47 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 48 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 49 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 50 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 51 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 52 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 53 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 54 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 55 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 56 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 57 (1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 58 (1-2, 3-4)
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