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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 to 12); 2 (, 1 to 12); 3 (, 1 to 12); 4 (, 1 to 12); 5 (, 1 to 12); 6 (, 1 to 12); 7 (, 1 to 12); 8 (, 1 to 12); 9 (, 1 to 12); 10 (, 1 to 12); 11 (, 1 to 12); 12 (, 1 to 12); 13 (, 1 to 12); 14 (, 1 to 12); 15 (, 1 to 12); 16 (, 1 to 12); 17 (, 1 to 12); 18 (, 1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 12); 30 (, 1 to 12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1 to 12); 38 (, 1 to 12); 39 (, 1 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 12); 45 (, 1 to 12); 46 (, 1 to 12); 47 (, 1 to 12); 48 (, 1 to 12); 49 (, 1 to 12); 50 (, 1 to 12); 51 (, 1 to 6, 7-8, 9-11, 12); 52 (, 1, 2-3, 4-6, 7-8, 9, 10-12); 53 (, 1, 2, 3-4, 5-6, 7 to 10, 11-12, 13, 14); 54 (, 1 to 7, 15, 16); 55 (, 1 to 16); 56 (, 1 to 16); 57 (, 1 to 4, 5-8, 9-10, 11-12, 13, 14, 16); 58 (, 1 to 7, 10 to 16); 59 (, 1 to 4, 5-6, 7 to 16); 60 (, 1 to 4, 5-6, 7 to 10, 11-14, 15, 16); 61 (, 1 to 18); 62 (, 1 to 6, 7-8, 9 to 12, 13-14, 15 to 18); 63 (, 1 to 18); 64 (, 1 to 22); 65 (, 1 to 22); 66 (, 1 to 22); 67 (, 1 to 16); 1959; 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 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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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 66
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CLOCKSS Archive
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Preserved
|
2026-02-09
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ahead-of-print to 68
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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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Portico
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Preserved
|
2026-02-12
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Preserved : 1961: 3(1-12), 1962: 4(1-12), 1963: 5(1-12), 1964: 6(1-12), 1965: 7(1-12), 1966: 8(1-12), 1967: 9(1-12), 1968: 10(1-12), 1969: 11(1-12), 1970: 12(1-12), 1971: 13(1-12), 1972: 14(1-12), 1973: 15(1-12), 1974: 16(1-12), 1975: 17(1-12), 1976: 18(1-12), 1977: 19(1-12), 1978: 20(1-12), 1979: 21(1-12), 1980: 22(1-12), 1981: 23(1-12), 1982: 24(1-12), 1983: 25(1-12), 1984: 26(1-12), 1985: 27(1-12), 1986: 28(1-12), 1987: 29(1-12), 1988: 30(1-12), 1989: 31(1-12), 1990: 32(1-12), 1991: 33(1-12), 1992: 34(1-12), 1993: 35(1-12), 1994: 36(1-12), 1995: 37(1-12), 1996: 38(1-12), 1997: 39(1-12), 1998: 40(1-12), 1999: 41(1-12), 2000: 42(1-12), 2001: 43(1-12), 2002: 44(1-12), 2003: 45(1-12), 2004: 46(1-12), 2005: 47(1-12), 2006: 48(1-12), 2007: 49(1-12), 2008: 50(1-12), 2009: 51(1-12), 2010: 52(1-12), 2011: 53(1-14), 2012: 54(1-16), 2013: 55(1-16), 2014: 56(1-16), 2015: 57(1-16), 2016: 58(1-16), 2017: 59(1-16), 2018: 60(1-16), 2019: 61(1-18), 2020: 62(1-18), 2021: 63(1-18), 2022: 64(1-22), 2023: 65(1-22), 2024: 66(1-22), 2025: 67(1-8, 10-24), 2026: 68(1-4)
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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 : 4 (1 to 9, 11, 12); 5 (1 to 9, 11, 12); 6 (1 to 4, 5-6, 7 to 9, 11-14, 15, 16); 39 (1 to 9, 11, 12); 41 (1 to 9, 11, 12); 42 (1 to 9, 11, 12); 43 (1 to 9, 11, 12); 44 (1 to 9, 11, 12); 45 (1 to 9, 11, 12); 46 (1 to 9, 11, 12); 47 (1 to 9, 11, 12); 48 (1 to 9, 11, 12); 49 (1 to 9, 11, 12); 51 (1 to 6, 7-8, 9-11, 12); 52 (1, 2-3, 4-6, 7-8, 9); 53 (1, 2, 3-4, 5-6, 7 to 9, 11-12, 13, 14); 54 (1 to 9, 11 to 16); 55 (1 to 9, 11 to 16); 56 (1 to 9, 11 to 16); 57 (1 to 4, 5-8, 9-1, 11-12, 13 to 16); 58 (1 to 9, 11 to 16); 59 (1 to 4, 5-6, 7 to 9, 11 to 16); 61 (1 to 9, 11 to 18); 62 (1 to 6, 7-8, 9, 11, 12, 13-14, 15 to 18); 63 (1 to 9, 11 to 18); 64 (1 to 9, 11 to 19, 21, 22); 65 (1 to 9, 11 to 19, 21); 66 (1 to 9, 11 to 19, 21, 22); 67 (1 to 5, 7 to 9)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 1 (1-12); 2 (1-12); 3 (1-12); 4 (1-12); 5 (1-12); 6 (1-12); 7 (1-12); 8 (1-12); 9 (1-12); 10 (1-12); 11 (1-12); 12 (1-12); 13 (1-12); 14 (1-12); 15 (1-12); 16 (1-12); 17 (1-12); 18 (1-12); 19 (1-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (1-12); 24 (1-12); 25 (1-12); 26 (1-12); 27 (1-12); 28 (1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12); 34 (1-12); 35 (1-12); 36 (1-12); 37 (1-12); 38 (1-12); 39 (1-12); 40 (1-12); 41 (1-12); 42 (1-12); 43 (1-12); 44 (1-9, 11, 12); 45 (1-11); 46 (1-12); 47 (1-6, 8-12); 48 (1-12); 49 (1-12); 50 (1-12)
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Library of Congress
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Preserved
|
2025-04-07
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53 (5-6); 58 (5, 12, 14); 59 (5-6, 7 to 16); 60 (1 to 5-6, 7 to 11-14, 15, 16); 61 (1 to 18); 62 (1 to 7-8, 9 to 13-14, 15 to 18); 63 (1 to 18); 64 (1 to 22); 65 (1 to 22); 66 (1 to 21)
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