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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 to 4); 7 (, 1 to 3); 8 (, 1 to 3); 9 (, 1 to 3); 10 (, 1 to 3); 11 (, 1 to 3); 12 (, 1 to 3); 14 (, 1 to 3); 15 (, 1 to 3); 16 (, 1 to 3); 17 (, 1 to 3); 18 (, 1 to 3); 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 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 3); 29 (, 1 to 3); 30 (, 1 to 3); 31 (, 1 to 3); 32 (, 1-3); 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 (, 1-2, 3); 47 (, 1 to 3); 48 (, 1); 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 to 3); 65 (, 1 to 3); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 1, 2, 4 to 6); 73 (, 1 to 6); 74 (, 1 to 6); 75 (, 1 to 6); 76 (, 1 to 6); 77 (, 1 to 6); 78 (, 1 to 6); 79 (, 1 to 6); 80 (, 1 to 6); 81 (, 1 to 3, 5); 82 (, 1 to 4); 83 (, 1 to 3); 84 (, 5); 85 (, 1 to 6); 86 (, 1 to 5); 87 (, 1 to 6); 88 (, 1 to 3); 89 (, 1 to 4); 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 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
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Portico
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Preserved
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2026-02-12
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Preserved : 1965: 1(1-4), 1966: 2(1-4), 1967: 3(1-4), 1968: 4(1-4), 1969: 5(1-4), 1970: 6(1-4), 1971: 7(1-3), 1971: 8(1-3), 1972: 9(1-3), 1972: 10(1-3), 1973: 11(1-3), 1973: 12(1-3), 1974: 13(1-3), 1974: 14(1-3), 1975: 15(1-3), 1975: 16(1-3), 1976: 17(1-3), 1976: 18(1-3), 1977: 19(1-4), 1977: 20(1-4), 1978: 21(1-4), 1978: 22(1-4), 1979: 23(1-4), 1979: 24(1-4), 1980: 25(1-4), 1980: 26(1-4), 1981: 27(1-4), 1982: 28(1-3), 1982: 29(1-3), 1983: 30(1-3), 1983: 31(1-3), 1984: 33(1-3), 1985: 34(1-3), 1985: 35(1-3), 1986: 36(1-3), 1986: 37(1-3), 1987: 38(1-3), 1987: 39(1-3), 1988: 40(1-3), 1988: 41(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1989: 42(1-3), 1989: 43(1-3), 1990: 44(1-3), 1990: 45(1-3), 1991: 46(3), 1991: 47(1-3), 1992: 48(1-3), 1992: 49(1-3), 1993: 50(1-3), 1993: 51(1-3), 1994: 52(1-3), 1994: 53(1-3), 1995: 54(1-3), 1995: 55(1-3), 1996: 56(1-3), 1996: 57(1-3), 1997: 58(1-3), 1997: 59(1-3), 1998: 60(1-3), 1998: 61(1-3), 1999: 62(1-3), 1999: 63(1-3), 2000: 64(1-3), 2000: 65(1-3), 2001: 66(1-6), 2002: 67(1-6), 2003: 68(1-6), 2004: 69(1-6), 2005: 70(1-6), 2006: 71(1-6), 2007: 72(1-6), 2008: 73(1-6), 2009: 74(1-6), 2010: 75(1-6), 2010/2011: 76(1-6), 2012: 77(1-6), 2013: 78(1-6), 2014: 79(1-6), 2013/2014/2015: 80(1-6), 2016: 81(1-6), 2017: 82(1-6), 2018: 83(1-6), 2019: 84(1-6), 2020: 85(1-6), 2021: 86(1-6), 2022: 87(1-6), 2023: 88(1-6), 2024: 89(1-6), 2025: 90(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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70 to 89
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CLOCKSS Archive
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Preserved
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2026-02-09
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73 to 80, 82
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CLOCKSS Archive
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In Progress
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2026-02-09
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81, 83 to 90
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LOCKSS Archive
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In Progress
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2026-02-09
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90
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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 : 1 (4); 2 (2-4); 3 (3, 4); 4 (2-4); 5 (2-4); 6 (1, 3, 4); 7 (2, 3); 8 (2, 3); 9 (1-3); 10 (2, 3); 11 (1, 3); 12 (2, 3); 14 (1-3); 15 (1-3); 16 (1, 3); 17 (2, 3); 18 (2, 3); 19 (1-4); 20 (2-4); 21 (2-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (2-4); 28 (2, 3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (2, 3); 34 (1-3); 35 (2, 3); 36 (2, 3); 37 (2, 3); 38 (1-3); 39 (1-3); 40 (1-3); 41 (2, 3); 42 (1-3); 43 (1-3); 44 (1-3); 45 (1-3); 46 (1-2, 3); 47 (1-3); 50 (1-3); 51 (1-3); 52 (1-3); 53 (1-3); 54 (1-3); 55 (1-3)
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British Library
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Preserved
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2019-09-18
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Preserved : 79 (1 to 3; 6), 80 (1 to 5), 81 (1; 3; 5), 82 (1 to 2), 83 (1 to 4)
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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 : ; 8 (1 to 6); 9 (1 to 3); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 4, 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1, 2, 5, 6)
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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 : ; 8 (1 to 6); 9 (1, 2); 71 (1 to 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (1 to 6); 77 (1 to 6); 78 (1 to 6); 79 (1 to 6); 81 (1 to 4, 6); 82 (1 to 6); 83 (1 to 6); 84 (1 to 6); 85 (1 to 6); 86 (1 to 6); 87 (1 to 6); 88 (1 to 6); 89 (1, 2, 5, 6)
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