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