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Internet Archive
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Preserved
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2025-08-08
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3 to 60
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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, 2); 10 (, 2); 19 (, 2 to 4); 20 (, 1-2, 3-4); 21 (, 1-2, 3, 4); 22 (, 1-2, 3-4); 23 (, 1-2, 3, 4); 24 (, 1 to 4); 25 (, 1-3, 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, 2-4); 32 (, 1, 2, 3-4); 33 (, 1, 2, 3-4); 34 (, 1 to 4); 35 (, 1 to 4); 36 (, 1 to 4); 37 (, 1 to 4); 38 (, 1 to 4); 39 (, 1 to 4); 40 (, 1-4); 41 (, 1-2, 3-4); 42 (, 1-4); 43 (, 1, 2-3, 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1-3, 4); 47 (, 1 to 4); 48 (, 1, 2, 3-4); 49 (, 1-2, 3, 4); 50 (, 1 to 4); 51 (, 1-4); 52 (, 1-4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1-4); 56 (, 1 to 4); 57 (, 1 to 4); 58 (, 1-4); 59 (, 1, 2-4); 60 (, 1, 2-4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1-4); 66 (, 1 to 4); 67 (, 1-4); 68 (, 1 to 4); 69 (, 1 to 4); 70 (, 1-4); 71 (, 1, 2, 3-4); 72 (, 1 to 4); 73 (, 1 to 4); 74 (, 1-4); 75 (, 1-2, 3, 4); 76 (, 1 to 4); 77 (, 1 to 4); 78 (, 1, 2, 3-4); 79 (, 1 to 4); 80 (, 1 to 4); 81 (, 1 to 4); 82 (, 1 to 7, 8-9, 10, 11-12); 83 (, 1 to 6, 7-8, 9, 10); 84 (, 9); 85 (, 15); 88 (, 1 to 15); 89 (, 8-12); 90 (, 1, 2, 3-6, 7 to 13, 14-15); 91 (, 1 to 6, 7-8, 9 to 15); 92 (, 1 to 5, 8, 12 to 15); 93 (, 1 to 15); 94 (, 1 to 13, 14-15); 95 (, 1 to 9, 12 to 15); 96 (, 1, 2, 6 to 15); 97 (, 1 to 12, 14-15); 98 (, 1 to 15); 99 (, 1 to 15); 100 (, 1 to 15); 101 (, 1 to 15); 102 (, 1 to 19); 103 (, 1 to 20); 104 (, 1, 3 to 20); 105 (, 1 to 11); 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1981; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 1973/1974: 3(1-4), 1975/1976: 4(1-4), 1977/1978: 5(1-4), 1979: 6(1-4), 1979/1980: 7(1-4), 1980: 8(1-4), 1981: 9(1-4), 1981: 10(1-2), 1982: 11(1-2), 1982: 12(1-2), 1982/1983: 13(1-4), 1983: 14(1-4), 1983: 15(1-4), 1983/1984: 16(1-4), 1984: 17(1-2), 1984: 18(3-4), 1984/1985: 19(1-4), 1985: 21(3-4), 1986: 23(3-4), 1986: 24(1-4), 1986: 25(4), 1986: 26(1-2), 1986: 27(3-4), 1987: 28(1-4), 1987: 29(3-4), 1987: 30(3-4), 1987: 31(1), 1988: 32(1-2), 1988: 33(1-2), 1988: 34(1-4), 1989: 35(1-4), 1989: 36(1-4), 1989: 37(1-4), 1990: 38(1-4), 1990: 39(1-4), 1991: 43(1, 4), 1991: 44(1-4), 1991: 45(1-4), 1992: 46(4), 1992: 47(1-4), 1992: 48(1-2), 1992: 49(3-4), 1993: 50(1-4), 1993: 53(1-4), 1993/1994: 54(1-4), 1994: 55(1-4), 1994: 56(1-4), 1994: 57(1-4), 1995: 59(1), 1995: 60(1), 1995: 61(1-4), 1996: 62(1-4), 1996: 63(1-4), 1996: 64(1-4), 1997: 66(1-4), 1997: 67(1-4), 1997: 68(1-4), 1998: 69(1-4), 1998: 70(1-4), 1998: 71(1-4), 1998: 72(1-4), 1999: 73(1-4), 1999: 74(1-4), 1999: 75(1-4), 2000: 76(1-4), 2000: 77(1-4), 2000: 78(1-4), 2001: 79(1-4), 2001: 80(1-4), 2001: 81(1-4), 2002: 82(1-12), 2003: 83(1-12), 2004/2005: 84(1-15), 2005: 85(1-15), 2006: 86(1-2, 5-15), 2007: 87(1-15), 2008: 88(1-15), 2009: 89(1-15), 2010: 90(1-15), 2011: 91(1-15), 2012: 92(1-15), 2013: 93(1-15), 2014: 94(1-15), 2015: 95(1-15), 2016: 96(1-15), 2017: 97(1-15), 2018: 98(1-15), 2019: 99(1-15), 2020: 100(1-15), 2021: 101(1-15), 2022: 102(1-19), 2023: 103(1-20), 2024: 104(1-20), 2025: 105(1-20), 2026: 106(1-3)
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LOCKSS Archive
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Preserved
|
2026-02-09
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1 to 104
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CLOCKSS Archive
|
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Preserved
|
2026-02-09
|
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|
ahead-of-print to 105
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|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
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|
105
|
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|
National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 1 (8, 9, 11, 13, 14); 11 (1 to 9, 11 to 15); 12 (1 to 9, 11 to 19); 13 (1 to 9, 11 to 18); 14 (1 to 9, 11 to 19); 15 (1 to 4, 6); 99 (8, 9, 12, 14)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1, 2, 4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1, 2, 3-4); 11 (1, 2, 3-4); 12 (1, 2, 3-4); 13 (1-3); 14 (1, 3, 4); 15 (1-4); 16 (1-4); 17 (1, 2, 3-4); 18 (1-2, 3, 4); 19 (1-3); 20 (1-2, 3-4); 21 (1-2, 3, 4); 22 (1-2, 3-4); 23 (1-2, 3, 4); 24 (1-4); 25 (1-3, 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, 2-4); 32 (1, 2, 3-4); 33 (1, 2, 3-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (3-4); 42 (1-4); 43 (2-3, 4); 44 (1-4); 45 (1-4); 46 (1-3, 4); 47 (1-4); 48 (1, 2, 3-4); 49 (1-2, 3, 4); 50 (1-4); 51 (1-4); 52; 53 (2-4); 54 (1-4); 55 (1-4); 56 (3, 4); 57 (1-3); 58 (1-4); 59 (2-4); 60 (1, 2-4); 61 (1-4); 62 (1-4); 63 (1-4); 64 (1-4); 65 (1-4); 66 (2-4); 67 (1-4); 68 (2-4); 69 (2-4); 70 (1-4); 71 (2, 3-4); 72 (1-4); 73 (1-4); 74 (1-4); 75 (3); 76 (1-4); 77 (1-4); 78 (1, 2, 3-4); 79 (1-4); 80 (1-4); 81 (1-4); 82 (1, 2, 5-7, 8-9, 10); 83 (1-6, 7-8, 9-12); 84 (1-3, 4, 6-7, 8-13, 14-15); 85 (1-3, 4-5, 7, 9-11, 12-13, 15); 86 (1-2, 5-15); 87 (1-6, 8, 9, 10-11, 12, 13-14, 15); 88 (1-13, 15)
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Library of Congress
|
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Preserved
|
2025-04-07
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90 (1 to 3-6, 7 to 14-15); 91 (1 to 7-8, 9 to 15); 92 (1 to 15); 93 (1 to 15); 94 (1 to 14-15); 95 (1 to 15); 96 (1 to 15); 97 (1 to 14-15); 98 (1 to 15); 99 (1 to 15); 100 (1 to 15); 101 (2 to 15); 102 (1 to 19); 103 (1 to 20); 104 (1 to 18)
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