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Internet Archive
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Preserved
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2025-08-08
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5 to 16
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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); 2 (, 1); 3 (, 1); 4 (, 1); 5 (, 1); 6 (, 1); 7 (, 1); 8 (, 1); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1); 13 (, 1); 14 (, 1); 15 (, 1); 16 (, 1); 17 (, 1); 18 (, 1); 19 (, 1); 20 (, 1); 21 (, 1); 22 (, 1); 23 (, 1); 24 (, 1); 25 (, 1); 26 (, 1); 27 (, 1); 28 (, 1); 29 (, 1); 30 (, 1); 31 (, 1); 32 (, 1); 33 (, 1); 34 (, 1); 35 (, 1); 36 (, 1); 37 (, 1); 38 (, 1); 39 (, 1); 40 (, 1); 41 (, 1); 42 (, 1); 43 (, 1, 2); 44 (, 1, 2); 45 (, 1, 2); 46 (, 1, 2); 47 (, 1, 2); 48 (, 1, 2); 49 (, 1, 2); 50 (, 1, 2); 51 (, 1 to 3); 52 (, 1 to 3); 53 (, 1 to 3); 54 (, 1 to 3); 55 (, 1 to 3); 56 (, 1 to 3); 57 (, 1, 2); 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 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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|
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Portico
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Preserved
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2026-02-12
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Preserved : 1969: 1(1), 1970: 2(1), 1971: 3(1), 1972: 4(1), 1973: 5(1), 1974: 6(1), 1975: 7(1), 1976: 8(1), 1977: 9(1), 1978: 10(1), 1979: 11(1), 1980: 12(1), 1981: 13(1), 1982: 14(1), 1983: 15(1), 1984: 16(1), 1985: 17(1), 1986: 18(1), 1987: 19(1), 1988: 20(1), 1989: 21(1), 1990: 22(1), 1991: 23(1), 1992: 24(1), 1993: 25(1), 1994: 26(1), 1995: 27(1), 1996: 28(1), 1997: 29(1), 1998: 30(1), 1999: 31(1), 2000: 32(1), 2001: 33(1), 2002: 34(1), 2003: 35(1), 2004: 36(1), 2005: 37(1), 2006: 38(1), 2007: 39(1), 2008: 40(1), 2009: 41(1), 2010: 42(1), 2011: 43(1-2), 2012: 44(1-2), 2013: 45(1-2), 2014: 46(1-2), 2015: 47(1)
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|
|
Portico
|
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Preserved
|
2026-02-12
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Preserved : 1980: 12(1), 1981: 13(1), 1982: 14(1), 1983: 15(1), 1984: 16(1), 1985: 17(1), 1986: 18(1), 1987: 19(1), 1988: 20(1), 1989: 21(1), 1990: 22(1), 1991: 23(1), 1992: 24(1), 1993: 25(1), 1994: 26(1), 1995: 27(1), 1996: 28(1), 1997: 29(1), 1998: 30(1), 1999: 31(1), 2000: 32(1), 2001: 33(1), 2002: 34(1), 2003: 35(1), 2004: 36(1), 2005: 37(1), 2006: 38(1), 2007: 39(1), 2008: 40(1), 2009: 41(1), 2010: 42(1), 2011: 43(1-2), 2012: 44(1-2), 2013: 45(1-2), 2014: 46(1-2), 2015: 47(1-2), 2016: 48(1-2), 2017: 49(1-2), 2018: 50(1-2), 2019: 51(1-3), 2020: 52(1-3), 2021: 53(1-3), 2022: 54(1-3), 2023: 55(1-3), 2024: 56(1-3), 2025: 57(1-3)
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LOCKSS Archive
|
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Preserved
|
2026-02-09
|
|
|
42 to 44
|
|
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CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
42 to 47
|
|
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LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 56
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
40, 41, 48, 49
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
57
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 57
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 49 (2)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 49 (1, 2); 52
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
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|
Preserved : 3; 4; 5 (2); 29 (1); 31; 32; 33; 34; 35; 36; 37; 38; 39; 41; 42; 43 (2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2); 48 (1, 2); 49 (1, 2); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3)
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|
|
Library of Congress
|
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Preserved
|
2025-04-07
|
|
|
49 (1, 2); 50 (1, 2); 51 (1 to 3); 52 (1 to 3); 53 (1 to 3); 54 (1 to 3); 55 (1 to 3); 56 (1 to 3)
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