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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 37 (5, 6); 43 (, 4); 47 (, 2 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1); 56 (, 2 to 4); 57 (, 1, 2, 4); 58 (, 1 to 4); 59 (, 1 to 3); 60 (, 1 to 3); 61 (, 1, 2, 4); 62 (, 1, 3, 4); 63 (, 1 to 4); 64 (, 1, 2, 4); 65 (, 1 to 3); 66 (, 1, 4); 67 (, 1); 1995; 2001; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 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 53
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Portico
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Preserved
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2026-02-12
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Preserved : 1958/1959: 1(1-6), 1959/1960: 2(1-6), 1960/1961: 3(1-4), 1961/1962: 4(1-4), 1962/1963: 5(1-4), 1963/1964: 6(1-4), 1964/1965: 7(1-4), 1965/1966: 8(1-4), 1966/1967: 9(1-4), 1967/1968: 10(1-4), 1968: 11(1-8), 1969: 12(1-12), 1970: 13(1-12), 1971: 14(1-12), 1972: 15(1-12)
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Portico
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Preserved
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2026-02-12
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Preserved : 1974: 16(3-4), 1975: 17(1-4), 1976: 18(1-4), 1977: 19(1-4), 1978: 20(1-4), 1979: 21(1-4), 1980: 22(1-4), 1981: 23(1-4), 1982: 24(1-4), 1983: 25(1-4), 1984: 26(1-4), 1985: 27(1-4), 1986: 28(1-4), 1987: 29(1-4), 1988: 30(1-4), 1989: 31(1-10), 1990: 32(1-10), 1991: 33(2-8), 1992: 34(1-5), 1993: 35(1-6), 1994: 36(1-6), 1995: 37(1-6), 1996: 38(2-6), 1997: 39(2-6), 1998: 40(1-6), 1999: 41(1-6), 2000: 42(1-6), 2001: 43(1-6), 2002: 44(1-6), 2003: 45(1-6), 2004: 46(1-6), 2005: 47(1-6), 2006: 48(1-6), 2007: 49(1-6), 2008: 50(1-6), 2009: 51(1-6), 2010: 52(1-6), 2011: 53(1-6), 2012: 54(1-4), 2013: 55(1-4), 2014: 56(1-4), 2015: 57(1-4), 2016: 58(1-4), 2017: 59(1-4), 2018: 60(1-4), 2019: 61(1-4), 2020: 62(1-4), 2021: 63(1-4), 2022: 64(1-4), 2023: 65(1-4), 2024: 66(1-4), 2025: 67(1-4)
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LOCKSS Archive
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Preserved
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2026-02-09
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47 to 66
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CLOCKSS Archive
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Preserved
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2026-02-09
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50 to 57, 59
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CLOCKSS Archive
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In Progress
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2026-02-09
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58, 60 to 67
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LOCKSS Archive
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In Progress
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2026-02-09
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67
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British Library
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Preserved
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2019-09-18
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Preserved : 56 (1 to 2; 4), 57 (1 to 2; 4), 58 (1 to 3), 59 (3), 60 (2 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 : (1 to 6); 1 (1 to 6); 2 (1, 2 to 4, 5-6); 3 (Supplement_2, 1 to 4); 4 (1 to 4); 5 (1 to 6); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 8); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (3, 4); 17 (1 to 4); 18 (1 to 4); 19 (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 4); 29 (1 to 4); 31 (1 to 9); 32 (1 to 9); 33 (2 to 8); 34 (1 to 5); 35 (1 to 6); 36 (1 to 6); 37 (1 to 4); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1, 3, 4); 66 (1, 3, 4); 67 (1 to 3)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : (1 to 6); 1 (1 to 6); 2 (1, 2 to 4, 5-6); 3 (Supplement_2, 1 to 4); 4 (1 to 4); 5 (1 to 6); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 8); 12 (1 to 9, 11, 12); 13 (1 to 9, 11, 12); 14 (1 to 9, 11, 12); 15 (1 to 9, 11, 12); 16 (3, 4); 17 (1 to 4); 18 (1 to 4); 19 (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 4); 29 (1 to 4); 31 (1 to 9); 32 (1 to 9); 33 (2 to 8); 34 (1 to 5); 35 (1 to 6); 36 (1 to 6); 37 (1 to 4); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1, 3, 4); 66 (1, 3, 4); 67 (1 to 3)
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