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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 21 (5); 22 (, 3, 4); 23 (, 1 to 6); 24 (, 1 to 6); 25 (, 1 to 6); 26 (, 1 to 6); 27 (, 1 to 6); 28 (, 1 to 6); 29 (, 1 to 3, 5, 6); 30 (, 1 to 6); 31 (, 1 to 6); 32 (, 1 to 6); 33 (, 1 to 6); 34 (, 1 to 6); 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); 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 (1 to 12); 2023 (, 1 to 12); 2024 (, 1 to 12); 2025 (, 1 to 7)
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Portico
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Preserved
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2026-02-12
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Preserved : 1978: 1(1-4), 1979: 2(1-4), 1980: 3(1-4), 1981: 4(1-4), 1982: 5(1-4), 1983: 6(1-4), 1984: 7(1-4), 1985: 8(1-4), 1986: 9(1-4), 1987: 10(1-4), 1988: 11(1-4), 1989: 12(1-4), 1990: 13(1-4), 1991: 14(1-4), 1992: 15(1-4), 1993: 16(1-4), 1994: 17(1-4), 1995: 18(1-4), 1996: 19(1-4), 1997: 20(1-6), 1998: 21(1-6), 1999: 22(1-6), 2000: 23(1-6), 2001: 24(1-6), 2002: 25(1-6), 2003: 26(1-6), 2004: 27(1-6), 2005: 28(1-6), 2006: 29(1-6), 2007: 30(1-6), 2008: 31(1-6), 2009: 32(1-6), 2010: 33(1-6), 2011: 34(1-6), 2012: 35(1-12), 2013: 36(1-12), 2014: 37(1-12), 2015: 38(1-12), 2016: 39(1-12), 2017: 40(1-12), 2018: 41(1-12), 2019: 42(1-12), 2020: 43(1-12), 2021: 44(1-12), 2022: 2022(1-12), 2023: 2023(1-12), 2024: 2024(1-12), 2025: 2025(1-12), 2026: 2026(1)
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CLOCKSS Archive
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Preserved
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2026-02-09
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14 to 44, 2022 to 2026
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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 : 29 (1-6); 30 (1-6)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 2 (1 to 6); 3 (1 to 6); 4 (1 to 9, 11, 12); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 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); 222 (1 to 9, 11, 12); 223 (1 to 9, 11, 12); 224 (1 to 9, 11, 12); 225 (1 to 9)
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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 : 2 (1 to 6); 3 (1 to 6); 4 (1 to 9, 11, 12); 21 (1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 31 (1 to 6); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 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); 222 (1 to 9, 11, 12); 223 (1 to 9, 11, 12); 224 (1 to 9, 11, 12); 225 (1 to 9)
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Library of Congress
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Preserved
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2025-04-07
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24 (6); 36 (1, 2, 4 to 12); 37 (1 to 12); 38 (1 to 6, 8 to 12); 39 (1 to 12); 40 (1 to 4, 6, 8 to 12); 41 (3, 6 to 11); 42 (1 to 4, 6, 7, 9 to 11); 43 (1 to 4, 6, 7, 9, 10, 12); 44 (1 to 12); 2022; 2023; 2024
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