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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 1(1), 1988: 2(1-2), 1989: 3(1), 1990: 4(1), 1991: 5(1-2), 1992: 6(1-2), 1993: 7(1), 1994: 8(1-2), 1995: 9(1), 1996: 10(1), 1997: 11(1), 1998: 12(1-2), 1999: 13(1), 2000: 14(1-3), 2001: 15(1-2), 2002: 16(1-3), 2003: 17(1-3), 2004: 18(1-4), 2005: 19(1-4), 2006: 20(1-4), 2007: 21(1-4), 2008: 22(1-4), 2009: 23(1-4), 2010: 24(1-4), 2013: 25(1-4), 2014: 26(1-4), 2015: 27(1-4), 2016: 28(1-4), 2017: 29(1-4), 2018: 30(1-4), 2019: 31(1-4), 2020: 32(1-4), 2021: 33(1-4), 2022: 34(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 1987: 1(1), 1988: 2(1-2), 1989: 3(1), 1990: 4(1), 1991: 5(1-2), 1992: 6(1-2), 1993: 7(1), 1994: 8(1-2), 1995: 9(1), 1996: 10(1), 1997: 11(1), 1998: 12(1-2), 1999: 13(1), 2000: 14(1-3), 2001: 15(1-2), 2002: 16(1-3), 2003: 17(1-3), 2004: 18(1-4), 2005: 19(1-4), 2006: 20(1-4), 2007: 21(1-4), 2008: 22(1-4), 2009: 23(1-4), 2010: 24(1-4), 2013: 25(1-4), 2014: 26(1-4), 2015: 27(1-4), 2016: 28(1-4), 2017: 29(1-4), 2018: 30(1-4), 2019: 31(1-4), 2020: 32(1-4), 2021: 33(1-4), 2022: 34(1-4), 2023: 35(1-4), 2024: 36(1-4), 2025: 37(1-4), 2026: 38(1)
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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, 2); 3 (, 1); 4 (, 1); 5 (, 1, 2); 6 (, 1, 2); 7 (, 1); 8 (, 1, 2); 9 (, 1); 10 (, 1); 11 (, 1); 12 (, 1, 2); 13 (, 1); 14 (, 1 to 3); 15 (, 1, 2); 16 (, 1 to 3); 17 (, 1 to 3); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1-2, 3-4); 22 (, 1, 2, 3-4); 23 (, 1 to 4); 24 (, 1, 2-4); 25 (, 1 to 4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 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, 2); 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Library of Congress
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Preserved
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2025-04-07
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11 (1); 12 (1, 2); 13 (1); 14 (1 to 3); 24 (1, 2-4); 25 (4); 26 (2 to 4); 27 (1 to 4); 28 (1 to 3); 29 (1 to 4); 30 (1 to 4); 31 (2); 32 (2, 4); 33 (1 to 3); 34 (1 to 4); 36 (1 to 3)
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CLOCKSS Archive
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Preserved
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2026-02-09
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25 to 34
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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 37
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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 16, 37
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LOCKSS Archive
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Preserved
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2026-02-09
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17 to 36
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