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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 3 (1 to 6); 4 (, 1 to 4, 5-6); 5 (, 1 to 4, 5-6); 6 (, 1 to 6); 7 (, 1 to 6); 10 (, 1 to 6); 11 (, 1 to 6); 12 (, 1 to 4); 13 (, 1 to 6); 14 (, 1 to 6); 15 (, 1 to 6); 16 (, 1 to 6); 17 (, 1 to 6); 18 (, 1, 2, 4); 19 (, 1 to 3 to 6); 20 (, 1 to 3 to 6); 21 (, 1 to 3 to 12); 22 (, 1 to 3 to 12); 23 (, 1 to 18); 24 (, 1, 2 to 4 to 18); 25 (, 1_suppl, 2 to 18); 26 (, 1 to 3 to 18); 27 (, 1 to 19); 28 (, 12); 1996; 1997; 1998; 1999; 2000; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021
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Portico
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Preserved
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2026-02-12
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Preserved : 1994: 1(1-4), 1995: 2(1-6), 1996: 3(1-6), 1997: 4(1-6), 1998: 5(1-6), 1999: 6(1-6), 2000: 7(1-6), 2001: 8(1-6), 2002: 9(1-6), 2003: 10(1-6), 2004: 11(1-6), 2005: 12(1-6), 2006: 13(1, 1, S, 2-6), 2007: 14(1, 1, S, 2, 2, S, 3, 3, S, 4-6), 2008: 15(1, 1, S, 2-6), 2009: 16(1, 1, S, 2, 2, S, 3-6), 2010: 17(1, 1, S, 2, 2, S, 3-6), 2011: 18(1, 1, S, 2-6), 2012: 19(1, 1, S, 2, 2, S, 3-6), 2013: 20(1, 1, S, 2, 2, S, 3-6), 2014: 21(1, 1, S, 2, 2, S, 3-12), 2015: 22(1, 1, S, 2, 2, S, 3-12), 2016: 23(1, 1, S, 2, 2, S, 3-18), 2017: 24(1, 1, S, 2, 2, S, 3, 3, S, 4-18), 2018: 25(1, 1, S, 2, 2, S, 3-18), 2019: 26(1, 1, S, 2, 2, S, 3-18), 2020: 27(1, 1, S, 2, 2, S, 3-19), 2021: 28(1-18), 2022: 29(1-18), 2023: 30(1-18), 2024: 31(1-18), 2025: 32(1-18), 2026: 33(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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19 to 31
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CLOCKSS Archive
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In Progress
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2026-02-09
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27 to 32
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LOCKSS Archive
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In Progress
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2026-02-09
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32
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 6(1-6), 2000: 7(1-6)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 10(1-6), 2004: 11(1-6), 2005: 12(1-4), 2006: 13(1-6), 2007: 14(1-6), 2008: 15(1-6), 2009: 16(1-6), 2010: 17(1-6), 2011: 18(1-2, 4), 2012: 19(1, 1, S, s1-2, 2, S, s2-6), 2013: 20(1-2, 2, S, s2-6), 2014: 21(1-12), 2015: 22(1, 1, S, 2, 2, S, 3-12), 2016: 23(1, 1, S, 2, 2, S, 3-18), 2017: 24(1, 1, S, 2, 2, S, 3, 3, S, 4-18), 2018: 25(1, 1, S, 2, 2, S, 3-18), 2019: 26(1, 1, S, 2, 2, S, 3-18), 2020: 27(1, 1, S, 2, 2, S, 3-16)
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CLOCKSS Archive
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Preserved
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2026-02-09
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19 to 23
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LOCKSS Archive
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Preserved
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2026-02-09
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19 to 27
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CLOCKSS Archive
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In Progress
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2026-02-09
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24 to 26
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Library of Congress
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Preserved
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2025-04-07
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19 (1_suppl, 2_suppl, 1 to 6); 20 (2_suppl, 1_suppl, 1 to 6); 21 (2_suppl, 1_suppl, 1 to 12); 22 (1_suppl, 2_suppl, 1 to 12); 23 (1_suppl, 2_suppl, 1 to 18); 24 (2_suppl, 1_suppl, 3_suppl, 1 to 18); 25 (14); 26 (1_suppl, 2_suppl, 3 to 18); 27 (1_suppl, 2_suppl, 1 to 19)
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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 : 6 (1-6); 7 (1-6); 11 (3); 12 (1); 15 (4); 16 (2); 17 (6); 19 (1-6); 20 (1-6); 21 (1-12); 22 (1-10, 12); 23 (1-18); 24 (1-18); 25 (1-18); 26 (1-17)
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