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