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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); 9 (, 3, 4); 10 (, 1-2, 3, 4); 11 (, 1, 2, 3-4); 12 (, 1-2, 3-4); 13 (, 1, 2-3, 4); 14 (, 1-2, 3-4); 15 (, 1-2, 3-4); 16 (, 1-2, 3-4); 17 (, 1-2, 3-4); 18 (, 1-2, 3-4); 19 (, 1-2, 3-4); 20 (, 1, 2-3, 4); 21 (, 1, 2-3, 4); 22 (, 1-2, 3-4); 23 (, 1-2, 3-4); 24 (, 1, 2, 3-4); 25 (, 1-2, 3-4); 26 (, 1, 2, 3-4); 27 (, 1, 2-3, 4); 28 (, 1-2, 3-4); 29 (, 1-2, 3-4); 30 (, 1, 2, 3-4); 31 (, 1-2, 3, 4); 32 (, 1-2, 3-4); 33 (, 1-2, 3-4); 34 (, 1-2, 3-4); 35 (, 1-2, 3, 4); 36 (, 1-2, 3-4); 37 (, 1 to 4); 38 (, 1-2, 3-4); 39 (, 1 to 4); 40 (, 1-2, 3-4); 41 (, 1, 2, 3-4); 42 (, 1-2, 3-4); 43 (, 1 to 4); 44 (, 1-2, 3-4); 45 (, 1 to 4); 46 (, 1-2, 3-4); 47 (, 1-2, 3, 4); 48 (, 1-2, 3-4); 49 (, 1-2, 3, 4); 50 (, 1-2, 3-4); 51 (, 1, 2, 3-4); 52 (, 1-2, 3-4); 53 (, 1-2, 3, 4); 54 (, 1-2, 3-4); 56 (, 1-4); 58 (, 1-4); 59 (, 1, 2, 3-4); 60 (, 1-4); 61 (, 1, 2, 3-4); 62 (, 1-4); 63 (, 1, 2, 3-4); 64 (, 1-4); 65 (, 1, 2, 3-4); 66 (, 1-4); 67 (, 1 to 4); 68 (, 1-4); 69 (, 1, 2, 3-4); 70 (, 1-4); 71 (, 1, 2, 3-4); 72 (, 1-4); 73 (, 1, 2); 74 (, 1-4); 75 (, 1-4); 76 (, 1-4); 77 (, 1-2, 3-4); 78 (, 1-4); 79 (, 1-2, 3-4); 80 (, 1-4); 81 (, 1, 2, 3-4); 82 (, 1-4); 83 (, 1, 2, 3-4); 84 (, 1-4, 5-8); 85 (, 1-4, 5-6, 7-8); 86 (, 1-2, 3-4); 1977; 1978; 1979; 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 59
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 49(3-4), 2006: 50(1-4), 2006/2007: 51(1-4), 2007: 53(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 85
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CLOCKSS Archive
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Preserved
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2026-02-09
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53 to 72
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LOCKSS Archive
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In Progress
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2026-02-09
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86
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Portico
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Preserved
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2026-02-12
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Preserved : 1977: 1(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1981/1982: 5(1-4), 1982: 6(2-4), 1982/1983: 7(1-4), 1983/1984: 8(1-4), 1984/1985: 9(1-4), 1985/1986: 10(1-4), 1986/1987: 11(1-4), 1987: 12(1-4), 1987/1988: 13(1-4), 1988: 14(1-4), 1988: 15(1-4), 1989: 16(1-4), 1989: 17(1-4), 1990: 18(1-4), 1990/1991: 19(1-4), 1991: 20(1-4), 1991/1992: 21(1-4), 1992: 22(1-4), 1993: 23(1-4), 1994: 24(1-4), 1994: 25(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1995/1996: 26(1-4), 1996: 27(1-4), 1996: 28(1-4), 1996: 29(1-4), 1996/1997: 30(1-2), 1997: 31(1-4), 1997: 32(1-4), 1998: 33(1-2), 1998: 34(1-4), 1998: 35(1-4), 1999: 36(1-4), 1999/2000: 37(1-4), 2000: 38(1-2), 2000/2001: 39(1-4), 2001: 40(1-2), 2001/2002: 41(1-2), 2002: 42(1-4), 2002/2003: 43(1-4), 2003: 44(1-4), 2003/2004: 45(1-4), 2004: 46(1-4), 2004/2005: 47(1-4), 2005: 48(1-4), 2005/2006: 49(1-4), 2006: 50(1-4), 2006/2007: 51(1-4), 2007: 52(1-4), 2007/2008: 53(1-4), 2008: 54(1-4), 2008: 55(1-4), 2009: 56(1-4), 2009: 57(1-4), 2010: 58(1-4), 2010: 59(1-4), 2011: 60(1-4), 2011: 61(1-4), 2012: 62(1-4), 2012: 63(1-4), 2013: 64(1-4), 2013: 65(1-4), 2014: 66(1-4), 2014: 67(1-4), 2015: 68(1-4), 2015: 69(1-4), 2016: 70(1-4), 2016: 71(1-4), 2017: 72(1-4), 2017: 73(1-4), 2018: 74(1-4), 2019: 75(1-4), 2019: 76(1-4), 2019: 77(1-4), 2020: 78(1-4), 2020: 79(1-4), 2021: 80(1-4), 2021: 81(1-4), 2022: 82(1-4), 2022: 83(1-4), 2023: 84(1-8), 2024: 85(1-8), 2025: 86(1-8)
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 83, 85, 86
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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 (2, 3-4); 4 (1-2, 3-4); 5 (1-2, 3-4); 6 (1-4); 7; 8; 31 (3, 4); 32 (1-2, 3-4); 33 (1-2, 3-4); 34 (1-2, 3-4); 35 (1-2, 3, 4); 36 (1-2, 3-4); 37 (1 to 4); 38 (1-2, 3-4); 39 (1 to 4); 41 (1, 2, 3-4); 42 (1-2, 3-4); 43 (1 to 4); 44 (1-2, 3-4); 45 (1 to 4); 46 (1-2, 3-4); 47 (1-2, 3, 4); 48 (1-2, 3-4); 49 (1-2, 3, 4); 51 (1, 2, 3-4); 52 (1-2, 3-4); 53 (1-2, 3, 4); 54 (1-2, 3-4); 55 (1-2, 3, 4); 56 (1-4); 57 (3, 4); 58 (1-4); 59 (2, 3-4); 61 (1, 2, 3-4); 62 (1-4); 63 (2, 3-4); 64 (1-4); 65 (2, 3-4); 66 (1-4); 67 (2 to 4); 68 (1-4); 69 (2, 3-4); 71 (1, 2, 3-4); 72 (1-4); 73 (2, 3-4); 74 (1-4); 75; 76; 77 (3-4); 78 (1-4); 79 (3-4); 81 (1, 2, 3-4); 82 (1-4); 83 (2, 3-4); 84 (1-4, 5-8); 85 (1-4, 5-6, 7-8)
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Library of Congress
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Preserved
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2025-04-07
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72 (1-4); 73 (1 to 3-4); 74 (1-4); 76 (1-4); 77 (1-2, 3-4); 78 (1-4); 79 (1-2, 3-4); 80 (1-4); 81 (1 to 3-4); 82 (1-4); 83 (1 to 3-4); 84 (1-4, 5-8); 85 (1-4)
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