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CLOCKSS Archive
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Preserved
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2026-02-09
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32 to 35
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 32(1-6), 1996: 33(1-6), 1997: 34(1-6), 1998: 35(1-6)
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 32 (2-3, 4 to 6); 33 (, 1 to 3, 4-5, 6); 34 (, 1 to 3, 4-5, 6); 35 (, 1 to 3, 4-5, 6); 36 (, 3); 1995; 1996; 1997; 1998; 1999
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Internet Archive
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Preserved
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2025-08-08
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1 to 31
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CLOCKSS Archive
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Preserved
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2026-02-09
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1, 2, 4 to 59
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Portico
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Preserved
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2026-02-12
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Preserved : 1962: 1(1)
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CLOCKSS Archive
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In Progress
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2026-02-09
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1, 2, 4 to 60
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LOCKSS Archive
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In Progress
|
2026-02-09
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1, 2, 4 to 46, 60
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Portico
|
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Preserved
|
2026-02-12
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Preserved : 1963: 1(3-4), 1964: 2(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1967: 4(2-4), 1968: 5(1-4), 1969/1970: 6(1-4), 1970/1971: 7(1-4), 1971: 8(1-4), 1972: 9(1-4), 1973: 10(1-4), 1974: 11(1-6), 1975: 12(1-6), 1976: 13(1-6), 1977: 14(1-6), 1978: 15(2-6), 1979: 16(1-6), 1980: 17(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 18(1-6), 1982: 19(1-6), 1983: 20(1-6), 1984: 21(1-6), 1985: 22(1-6), 1984/1986: 23(1, 1, S, 2-6), 1987: 24(1-6), 1988: 25(1-6), 1989: 26(1-4, 6), 1990: 27(1-6), 1991: 28(1-6), 1992: 29(1-6), 1993: 30(2-6), 1994: 31(1-6), 1995: 32(1-6), 1996: 33(1-6), 1997: 34(1-6), 1998: 35(2-6), 1999: 36(3-6), 2000: 37(1-6), 2001: 38(1-6), 2002: 39(1-6), 2003: 40(1-6), 2004: 41(1-6), 2005: 42(1-6), 2006: 43(1-6), 2007: 44(1-6), 2008: 45(1-6), 2009: 46(1-6), 2010: 47(1-6), 2011: 48(1-6), 2012: 49(1-6), 2013: 50(1-6), 2014: 51(1-6), 2015/2016: 52(1-6), 2016/2017: 53(1-6), 2017: 54(1-6), 2018: 55(1-4), 2019: 56(1-4), 2020: 57(1-4), 2021: 58(1-4), 2023/2024: 59(1-4), 2025: 60(1-4)
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LOCKSS Archive
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Preserved
|
2026-02-09
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47 to 59
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1 to 4); 2 (1 to 6); 3 (2, 3-4, 5-6); 4 (1,2,3, 2 to 6); 5 (1 to 4, 5-6); 6 (1 to 4); 7 (1 to 4); 8 (1, 2, 3-4); 9 (1 to 4); 11 (1 to 6); 12 (1, 2, 3-4, 5, 6); 13 (1 to 6); 14 (1, 2-3, 4, 5-6); 15 (2, 3-4, 5-6); 16 (1-2, 3, 4-5, 6); 17 (1-2); 18 (2, 3-6); 19 (1-2, 3 to 6); 21 (1-2, 3 to 6); 22 (1 to 6); 23 (s1, 1 to 6); 24 (1 to 6); 25 (1-2, 3 to 6); 26 (1 to 4, 6); 27 (1, 2, 3-4, 5, 6); 28 (1-2, 3-4, 5, 6); 29 (1, 2-3, 4, 5-6); 31 (1 to 6); 32 (1, 2-3, 4 to 6); 33 (1 to 3, 4-5, 6); 34 (1 to 3, 4-5, 6); 35 (2, 3, 4,5, 6); 36 (3, 4, 5,6); 37 (1,2, 3, 4, 5,6); 38 (1, 2,3, 4, 5,6); 39 (1,2, 3,4, 5, 6); 41 (1, 2, 3-4, 5, 6); 42 (1,2, 3 to 6); 43 (1, 2, 3,4, 5, 6); 44 (1 to 4, 5-6); 45 (1-2, 3-4, 5, 6); 46 (1 to 6); 47 (1, 2, 3-4, 5-6); 48 (1, 2, 3-4, 5-6); 49 (1, 2-3, 4, 5-6); 51 (1, 2-3, 4-5, 6); 52 (1-2, 3, 4, 5-6); 53 (1, 2, 3-4, 5-6); 54 (1, 2-4, 5-6); 55 (1, 2-4); 56 (1, 2-3, 4); 57 (1, 2-4); 58 (1-2, 3-4)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 19 (3); 32 (1, 2-3, 4-6); 33 (1-3, 4-5, 6); 34 (1-3, 4-5, 6); 35 (1-3, 4-5, 6); 36 (3, 4, 5-6); 37 (1-2, 3, 4, 5-6); 38 (1, 2-3, 4, 5-6); 39 (1-2, 3-4, 5, 6); 40 (1-3, 4-6); 41 (1, 2, 3-4, 5, 6); 42 (1-2, 3-6); 43 (1, 2, 3-4, 5, 6); 44 (1-4, 5-6); 45 (1-2, 3-4, 5, 6); 46 (1-6); 47 (1, 2, 3-4, 5-6); 48 (2, 3-4, 5-6); 49 (1, 2-3, 4, 5-6); 50 (1-2, 3-4, 5-6); 51 (1, 2-3, 4-5, 6); 52 (1-2, 3, 4, 5-6); 53 (1, 2, 3-4, 5-6); 54 (1, 2-4, 5-6); 55 (1, 2-4)
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