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CLOCKSS Archive
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Preserved
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2026-02-09
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30 to 58
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LOCKSS Archive
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In Progress
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2026-02-09
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45, 52
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LOCKSS Archive
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Preserved
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2026-02-09
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46 to 51
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 44 (1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 47 (, 1-2, 3, 4); 58 (, 2); 2011; 2012; 2013; 2014; 2025
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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 : 43 (2 to 4); 44 (1 to 4); 45 (2 to 4); 46 (1 to 3); 47 (1, 3, 4); 48 (1); 49 (3)
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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 : 43 (2 to 4); 44 (1 to 4); 45 (2 to 4); 46 (1 to 3); 47 (1, 3, 4); 48 (1); 49 (3)
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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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|
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Preserved : 5 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 49 (1-2, 3-4); 51 (1-2, 3, 4); 52 (1, 2, 3-4); 53 (1, 2, 3-4); 54 (1, 2); 55 (1, 2); 56 (1 to 3); 57 (1, 3)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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|
|
Preserved : 5 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 49 (1-2, 3-4); 51 (1-2, 3, 4); 52 (1, 2, 3-4); 53 (1, 2, 3-4); 54 (1, 2); 55 (1, 2); 56 (1 to 3); 57 (1, 3)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 30 (2); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-2, 3-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-2, 3, 4); 48 (1-2, 3-4); 49 (1-2, 3-4); 50 (1-4); 51 (1-2, 3, 4); 52 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1-2, 3, 4); 48 (1-2, 3-4); 49 (1-2, 3-4); 50 (1 to 4); 51 (1-2, 3, 4); 52 (1 to 3-4); 53 (1 to 3-4); 54 (1, 2); 55 (1, 2); 56 (1 to 4); 57 (1-2); 58 (1)
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British Library
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Preserved
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2019-09-18
|
|
|
Preserved : 43 (1 to 2), 44 (3 to 4), 45 (1 to 2)
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|
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Scholars Portal
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Preserved
|
2025-09-02
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|
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Preserved : 48 (1-2, 3-4); 49 (, 1-2, 3-4); 50 (, 1 to 4); 51 (, 1-2, 3, 4); 52 (, 1, 2, 3-4); 53 (, 1, 2, 3-4); 54 (, 1, 2); 55 (, 1, 2); 56 (, 1 to 4); 57 (, 1-2, 3-4); 58 (, 1); 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
|
2026-02-12
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|
|
Preserved : 1971: 4(1-4), 1972: 5(1-4), 1973: 6(1-4), 1974: 7(1-4), 1975: 8(1-4), 1976: 9(1-4), 1977: 10(1-4), 1978: 11(1-4), 1979: 12(1-4), 1980: 13(1-4), 1981: 14(1-4), 1982: 15(1-4), 1983: 16(1-4), 1984: 17(1-4), 1985: 18(1-4), 1986: 19(1-4), 1987: 20(1-4), 1988: 21(1-4), 1989: 22(1-4), 1990: 23(1-4), 1991: 24(1-4), 1992: 25(1-4), 1993: 26(1-4), 1994: 27(1-4), 1995: 28(1-3), 1996: 29(1-4), 1997: 30(1-2), 1998: 31(1-4), 1999: 32(1-4), 2000: 33(1-4), 2001: 34(1-4), 2002: 35(1-4), 2003: 36(1-4), 2004: 37(1-4), 2005: 38(1-4), 2006: 39(1-4), 2007: 40(1-4), 2008: 41(1-4), 2009: 42(1-4), 2010: 43(1-4), 2011: 44(1-4), 2012: 45(1-2, 4), 2013: 46(1-4), 2014: 47(1-3), 2015: 48(1-4), 2016: 49(1-4), 2017: 50(1-4), 2018: 51(1-4), 2019: 52(1-4), 2020: 53(1-4), 2021: 54(1-2), 2022: 55(1-2), 2023: 56(1-4), 2024: 57(1-4), 2025: 58(1-2)
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