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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 17 (1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1 to 3); 33 (, 1 to 3); 34 (, 1 to 3); 35 (, 1 to 3); 36 (, 1 to 3); 37 (, 1 to 3); 38 (, 1 to 3); 39 (, 1 to 3); 40 (, 1 to 3); 41 (, 1 to 3); 42 (, 1 to 3); 43 (, 1 to 3); 44 (, 1 to 3); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 55 (, 1 to 6, 8 to 11); 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2020; 2021
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 2(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 7(1-4), 1986: 8(1-4), 1987: 9(1-4), 1988: 10(1-4), 1989: 11(1-4), 1990: 12(1-4), 1991: 13(1-4), 1992: 14(1-4), 1993: 15(1-4, S), 1994: 16(1-4, S), 1995: 17(1-4, S), 1996: 18(1-4, S), 1997: 19(1-4, S), 1998: 20(1-4, S), 1999: 21(1-4, S), 2000: 22(1-4, S), 2001: 23(1-2, 4, S), 2002: 24(1-4, S), 2003: 25(1-3, S), 2003: 26(1-3), 2004: 27(1-3, S), 2004: 28(1-3), 2005: 29(1-3, S), 2005: 30(1-3), 2006: 31(1-3), 2006: 32(1-3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 35(s_1), 2008: 36(1-3), 2009: 37(1-3), 2009: 38(s_1, 3)
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LOCKSS Archive
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Preserved
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2026-02-09
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35, 37, 39, 41, 43, 45, 47, 49 to 58
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CLOCKSS Archive
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In Progress
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2026-02-09
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35, 37, 39, 41, 43, 45, 47, 49 to 59
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Portico
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Preserved
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2026-02-12
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Preserved : 2014: 47(1-3), 2014: 48(1-3), 2015: 49(1-6), 2016: 50(1-6), 2017: 51(1-6), 2018: 52(1-12), 2019: 53(1-12), 2020: 54(1-12), 2021: 55(1-12), 2022: 56(1-12), 2023: 57(1-12), 2024: 58(1-12), 2025: 59(1, s_1), 2026: 60(1)
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LOCKSS Archive
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In Progress
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2026-02-09
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59
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LOCKSS Archive
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Preserved
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2026-02-09
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17 to 51
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Portico
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Preserved
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2026-02-12
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Preserved : 1995: 17(1-4), 1996: 18(1-4), 1997: 19(1-4), 1998: 20(1-4), 1999: 21(1-4), 2000: 22(1-4), 2001: 23(1-4), 2002: 24(1-4), 2003: 25(1-3), 2003: 26(1-3), 2004: 27(1-3), 2004: 28(1-3), 2005: 29(1-3), 2005: 30(1-3), 2006: 31(1, S 1, 2-3), 2006: 32(1-3), 2007: 33(1, S 1, 2-3), 2007: 34(1-3), 2008: 35(1, S 1, 2-3), 2008: 36(1-3), 2009: 37(1, S 1, 2-3), 2009: 38(1-3), 2010: 39(1, S 1, 2-3), 2010: 40(1-3), 2011: 41(1, S 1, 2-3), 2011: 42(1-3), 2012: 43(1, S 1, 2-3), 2012: 44(1-3), 2013: 45(1-2, S 2, 3), 2013: 46(1-3), 2014: 47(1, S 1, 2-3), 2014: 48(1-3), 2015: 49(1, S 1, 2-6), 2016: 50(1, S 1, 2-6), 2017: 51(1, S 1, 2-6)
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CLOCKSS Archive
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Preserved
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2026-02-09
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19 to 51
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Library of Congress
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Preserved
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2025-04-07
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51 (suppl_1, 1 to 6); 52 (suppl_1, 1 to 8, 10, 12); 53 (Supplement_1, 1 to 5, 7 to 12); 54 (Supplement_1, 1 to 5, 7 to 11); 55 (1 to 12); 56 (1 to 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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Preserved : 53 (Supplement_1, 1 to 9, 11, 12); 54 (Supplement_1, 1 to 9, 11, 12); 55 (Supplement_1, 1 to 9, 11, 12); 56 (Supplement_1, 1 to 9, 11, 12)
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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 : 53 (Supplement_1, 1 to 9, 11, 12); 54 (Supplement_1, 1 to 9, 11, 12); 55 (Supplement_1, 1 to 9, 11, 12); 56 (Supplement_1, 1 to 9, 11, 12)
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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 : 2 (1 to 4); 3 (1 to 3); 4 (1 to 3); 5 (1 to 6); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 6); 51 (1 to 6)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 2 (1 to 4); 3 (1 to 3); 4 (1 to 3); 5 (1 to 6); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 3); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3); 42 (1 to 3); 43 (1 to 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 6); 51 (1 to 6)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 20 (4); 22; 23 (1-4); 24 (1-4); 25 (1-3); 26 (1-3); 27 (1-3); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (1); 34; 35 (2, 3); 36 (1-3); 37 (1-3); 38 (supplement-1, 1-3); 39 (supplement-1, 1-3); 40 (1-3); 41 (1-3); 42 (1-3); 43 (supplement-1, 1-3); 44 (1-3); 45 (supplement-1, 1-3); 46 (1-3); 47 (supplement-1, 1-3); 48 (1-3); 49 (supplement-1, 1-6); 50 (1-6); 51 (1-6)
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