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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4); 2 (, 1 to 4); 3 (, 1 to 4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1-2, 3, 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1-3, 4); 10 (, 1 to 4); 11 (, 1-2, 3, 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1-4); 15 (, 1, 2, 3-4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1-2, 3, 4); 20 (, 1 to 3); 21 (, 1 to 3); 22 (, 1-2, 3); 23 (, 1 to 3); 24 (, 1 to 3); 25 (, 1 to 3); 26 (, 1 to 3); 27 (, 1 to 3); 28 (, 1-3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1-2, 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); 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 (, 1-3); 50 (, 1 to 3); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1 to 3); 58 (, 1 to 3); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1 to 3); 62 (, 1 to 3); 63 (, 1 to 3); 64 (, 1, 2-3); 65 (, 1, 2-3); 66 (, 1-2, 3); 67 (, 1, 2-3); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1 to 4); 71 (, 1 to 4); 72 (, 1, 2, 3-4); 73 (, 1 to 4); 74 (, 1 to 4); 75 (, 1 to 4); 76 (, 1 to 4); 77 (, 1-2, 3, 4); 78 (, 1 to 4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1); 82 (, 1, 2); 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 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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Internet Archive
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Preserved
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2025-08-08
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1 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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Portico
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Preserved
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2026-02-12
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Preserved : 1983/1984: 1(1-4), 1984/1985: 2(1-4), 1985: 3(1-4), 1986: 4(1-4), 1987: 5(1-4), 1988: 6(1-4), 1988: 7(1-4), 1989: 8(1-4), 1989: 9(1-4), 1990: 10(1-4), 1990: 11(1-4), 1991: 12(1-4), 1991: 13(1-4), 1992: 14(1-4), 1992: 15(1-4), 1993: 16(1-4), 1993: 17(1-4), 1994: 18(1-4), 1994: 19(1-4), 1995: 20(1-3), 1995: 21(1-3), 1995: 22(1-3), 1996: 23(1-3), 1996: 24(1-3), 1996: 25(1-3)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 83
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 46(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 52(3), 2006: 53(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2007: 57(2-3), 2008: 59(1, 3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 63(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2012: 69(1-4), 2013: 70(1, 4), 2014: 71(1-2, 4), 2015: 72(1-4), 2016: 73(1-4), 2017: 74(1-4), 2018: 75(1-4), 2019: 76(1-4), 2020: 77(1-4), 2021: 78(1-4), 2022: 79(1-4), 2023: 80(1-4), 2024: 81(1), 2025: 82(1-2), 2026: 83(1)
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Library of Congress
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Preserved
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2025-04-07
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75 (1 to 4); 76 (1 to 4); 77 (1-2, 3, 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 4); 81 (1)
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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 3); 4 (1 to 3); 5 (1 to 3); 6 (1 to 3); 7 (1 to 4); 8 (1 to 4); 26 (1 to 3); 27 (1 to 3); 28 (1); 29 (2, 3); 31 (1, 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); 43 (2, 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1); 51 (2, 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1, 2); 65 (1, 2); 66 (1, 3); 67 (1, 2-3); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 3); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1-2, 3, 4); 78 (1 to 4); 79 (1 to 4); 81 (1)
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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 : 3 (1 to 3); 4 (1 to 3); 5 (1 to 3); 6 (1 to 3); 7 (1 to 4); 8 (1 to 4); 26 (1 to 3); 27 (1 to 3); 28 (1); 29 (2, 3); 31 (1, 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); 43 (2, 3); 44 (1 to 3); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1); 51 (2, 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3); 57 (1 to 3); 58 (1 to 3); 59 (1 to 3); 61 (1 to 3); 62 (1 to 3); 63 (1 to 3); 64 (1, 2); 65 (1, 2); 66 (1, 3); 67 (1, 2-3); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 3); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 4); 77 (1-2, 3, 4); 78 (1 to 4); 79 (1 to 4); 81 (1)
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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 : 26 (1-3); 27 (1-3); 28 (1); 29 (2, 3); 30 (1-3); 31 (1, 3); 32 (1, 3); 33 (1-3); 34 (1-3); 38 (1-3); 39 (1-3); 40 (1-3); 41 (1-3); 42 (1); 43 (2, 3); 44 (1-3); 45 (1-3); 46 (1-3); 47 (1-3); 48 (2, 3); 49 (1-3); 50 (2, 3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1-3); 55 (1-3); 56 (1, 2); 57 (1-3); 58 (1-3); 59 (1-3); 60 (1-3); 61 (1-3); 62 (1-3); 63 (1-3); 64 (1, 2-3); 65 (1, 2-3); 66 (1-2, 3); 67 (1, 2-3); 68 (1-4); 69 (1-4); 70 (1-4); 71 (1-4); 72 (1, 2, 3-4); 73 (1-4); 74 (1-4); 75 (1-4); 76 (1-3)
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