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CLOCKSS Archive
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Preserved
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2026-05-18
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1 to 14
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Portico
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Preserved
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2026-05-21
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Preserved : 1975/1976: 1(1-4), 1976: 2(1-4), 1977: 3(1-4), 1978: 4(1-4), 1979: 5(1-4), 1980: 6(1-4), 1981: 7(1-4), 1982: 8(1-4), 1982: 9(1-4), 1983: 10(1-4), 1983: 11(1-4), 1984: 12(1-4), 1984: 13(1-4), 1985: 14(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 : 1 (2 to 4); 2 (1 to 4); 3 (1, 2, 3-4); 4 (1, 2-3, 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1-2, 3, 4); 10 (1 to 4); 11 (1-2, 3, 4); 12 (1-2, 3, 4); 13 (1, 2, 3-4); 14 (1, 2-3, 4); 15 (1, 2, 3-4); 16 (1, 2, 3-4, 5); 17 (1, 2, 3-4, 5, 6); 18 (1-2, 3 to 6); 19 (1, 2, 3-4, 5, 6); 20 (1-2, 3, 4-5, 6); 21 (1, 2, 3-4, 5-6); 22 (1 to 4, 5-6); 23 (1, 2, 3-4, 5, 6); 24 (1, 2-3, 4 to 6); 25 (1-2, 3, 4-5, 6); 26 (1, 2-3, 4 to 6); 27 (1 to 6); 28 (1, 2, 3-4, 5, 6); 29 (1, 2-3, 4 to 6); 30 (1-2, 3 to 6); 31 (1 to 3, 4-5, 6); 32 (1, 2, 3-4, 5, 6); 33 (1, 2, 3-4, 5, 6); 34 (1 to 3, 4-5, 6); 35 (1 to 3, 4-5, 6); 36 (1, 2, 3-4, 5, 6); 37 (1, 2-3, 4 to 6); 38 (1-2, 3 to 6); 39 (1 to 3, 4-5, 6); 40 (1, 2-3, 4 to 6); 41 (1 to 3, 4-5, 6); 42 (1 to 3, 4-5, 6); 43 (1 to 3, 4-5, 6); 44 (1-2, 3 to 6); 45 (1, 2, 3-4, 5, 6); 46 (1, 2, 3-4, 5, 6); 47 (1, 2, 3-4, 5-6); 48 (1, 2, 3-4, 5, 6); 49 (1, 2-3, 4-5, 6); 50 (1-2, 3, 4-5, 6); 51 (1-2, 3 to 6); 52 (1, 2, 3-4, 5-6); 53 (1, 2-3, 4, 5-6); 54 (1, 2-3, 4-6); 55 (1, 2-3, 4-5, 6)
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Internet Archive
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Preserved
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2025-08-08
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14 to 26
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CLOCKSS Archive
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Preserved
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2026-05-18
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-1, 1 to 54
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CLOCKSS Archive
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In Progress
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2026-05-18
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1 to 56
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LOCKSS Archive
|
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In Progress
|
2026-05-18
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1 to 39, 55, 56
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Portico
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Preserved
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2026-05-21
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Preserved : 1975/1976: 1(1-4), 1976: 2(1-4), 1977: 3(1-4), 1978: 4(1-4), 1979: 5(1-4), 1980: 6(1-4), 1981: 7(1-4), 1982: 8(1-4), 1982: 9(1-4), 1983: 10(1-4), 1983: 11(1-4), 1984: 12(1-4), 1984: 13(1-4), 1985: 14(1-4), 1985: 15(1-4), 1986: 16(1-5), 1987: 17(1-6), 1988: 18(1-6), 1989: 19(1-6), 1990: 20(1-6), 1991: 21(1-6), 1992: 22(1-6), 1993: 23(1-6), 1994: 24(1-6), 1995: 25(1-6), 1996: 26(1-6), 1997: 27(1-6), 1998: 28(1-6), 1999: 29(1-6), 2000: 30(1-6), 2001: 31(1-6), 2002: 32(1-6), 2003: 33(1-6), 2004: 34(1-6), 2005: 35(1-6), 2006: 36(1-6), 2007: 37(1-6), 2008: 38(1-6), 2009: 39(1-6), 2010: 40(1-6), 2011: 41(1-6), 2012: 42(1-6), 2013: 43(1-6), 2014: 44(1-6), 2015/2016: 45(1-6), 2016/2017: 46(1-6), 2017/2018: 47(1-6), 2018/2019: 48(1-6), 2019/2020: 49(1-6), 2020: 50(1-6), 2021: 51(1-6), 2022: 52(1-6), 2023: 53(1-6), 2024: 54(1-6), 2025: 55(1-6), 2026: 56(1-2)
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|
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LOCKSS Archive
|
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Preserved
|
2026-05-18
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|
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40 to 54
|
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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 : 5 (3, 4-5, 6); 46 (1, 2, 3-4, 5, 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 to 6); 52 (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 : 1 (1-4); 2 (1-4); 3 (1, 2, 3-4); 4 (1, 2-3, 4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-2, 3, 4); 10 (1-4); 11 (1-2, 3, 4); 12 (1-2, 3, 4); 13 (1, 2, 3-4); 14 (1, 2-3, 4); 15 (1, 2, 3-4); 16 (1, 2, 3-4, 5); 17 (1, 2, 3-4, 5, 6); 18 (1-2, 3-6); 19 (1, 2, 3-4, 5, 6); 20 (1-2, 3, 4-5, 6); 21 (1, 2, 3-4, 5-6); 22 (1-4, 5-6); 23 (1, 2, 3-4, 5, 6); 24 (1, 2-3, 4-6); 25 (1-2, 3-5, 6); 26 (1, 2-3, 4-6); 27 (1-6); 28 (1, 2, 3-4, 5, 6); 29 (1, 2-3, 4-6); 30 (1-2, 3-6); 31 (1-3, 4-5, 6); 32 (1, 2, 3-4, 5, 6); 33 (1, 2, 3-4, 5, 6); 34 (1-3, 4-5, 6); 35 (1-3, 4-5, 6); 36 (1, 2, 3-4, 5, 6); 37 (1, 2-3, 5, 6); 38 (3-6); 39 (1, 2, 4-5, 6); 40 (1, 2-3, 4); 41 (1-3, 4-5, 6); 42 (1-3, 4-5, 6); 43 (1-3, 4-5, 6); 44 (1-2, 3-6); 45 (1, 2, 3,4, 5, 6); 46 (1, 2, 3-4, 5, 6); 47 (1, 2, 3-4, 5-6); 48 (1, 2, 3-4, 5, 6); 49 (1, 2-3)
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