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Portico
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Preserved
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2026-02-12
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Preserved : 1971: 1(1-4), 1972: 2(1-4), 1973: 3(1-4), 1974: 4(1-4), 1975: 5(1-4), 1976: 6(1-4), 1977: 7(1-4), 1978: 8(1-4), 1979: 9(1-4), 1980: 10(1-4), 1981: 11(1-6), 1982: 12(1-6), 1983: 13(1-6), 1984: 14(1-6), 1985: 15(1-6), 1986: 16(1-6), 1987: 17(1-6), 1988: 18(1-6), 1989: 19(1-6), 1990: 20(1-6), 1991: 21(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 : 22 (1 to 6); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 2 to 12); 49 (, 2, 3, 8 to 12); 50 (, 1 to 12); 51 (, 1 to 12); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 7); 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 56
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 22(1-6), 1993: 23(1-12), 1994: 24(1-12), 1995: 25(1-12), 1996: 26(1-12), 1997: 27(2, 5, 7-9, 12), 1998: 28(1, 12), 1999: 29(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2000: 30(4, 9, 11-12), 2001: 31(1-2, 6, 9, 11), 2002: 32(2-3, 6), 2003: 33(3-4, 7, 9)
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 34(12), 2005: 35(3-4, 6, 8, 11), 2006: 36(3, 7), 2007: 37(1-2, 5, 7-8, 10-11), 2008: 38(2, 7, 11-12), 2009: 39(2, 4-5, 9-11), 2010: 40(2-3, 5, 7-10), 2011: 41(6, 8), 2012: 42(1, 5, 7, 10-11), 2013: 43(1-8, 10), 2014: 44(1-10, 12), 2015: 45(2, 4-12), 2016: 46(1-12), 2017: 47(1-12), 2018: 48(1-12), 2019: 49(1-12), 2019/2020: 50(1-12), 2021: 51(1-12), 2022: 52(1-12), 2023: 53(2-12), 2024: 54(1-11), 2025: 55(1, 3-12), 2026: 56(1-2)
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LOCKSS Archive
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In Progress
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2026-02-09
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42, 49
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LOCKSS Archive
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Preserved
|
2026-02-09
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43 to 48
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 3 (1 to 9, 11, 12); 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 9, 11, 12); 52 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 28 (1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12); 34 (1-12); 35 (1-12); 36 (1-12); 37 (1-3, 6-12); 38 (1-12); 39 (1-12); 40 (1-12); 41 (1-12); 42 (1-12); 43 (1-12); 44 (1-12); 45 (1-12); 46 (1-12); 47 (1-12); 48 (1-12); 49 (1-11); 84 (1)
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