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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 4 to 6); 2 (, 1_suppl, 2 to 6); 3 (, 1 to 6); 4 (, 1S, 2 to 6); 5 (, 1_suppl, 2 to 6); 6 (, 1 to 9); 7 (, 1 to 3 to 9); 8 (, 1 to 9); 9 (, 1 to 9); 10 (, 1_suppl, 2 to 12); 11 (, 1 to 12); 12 (, 1 to 12); 13 (, 1 to 12); 14 (, 1_suppl, 2 to 12); 15 (, 1 to 12); 16 (, 1 to 4 to 6 to 12); 17 (, 1 to 12); 18 (, 1 to 14); 19 (, 1_suppl, 2 to 14); 20 (, 1 to 14); 21 (, 1 to 14); 22 (, 1 to 14); 23 (, 2 to 14); 24 (, 1 to 3, 4-5, 6 to 14); 25 (, 1_suppl, 2 to 12, 14); 26 (, 1 to 14); 27 (, 1_suppl, 2 to 14); 28 (, 1_suppl, 2 to 14); 29 (, 1 to 14); 30 (, 1 to 14); 31 (, 1 to 14); 32 (, 1 to 14); 33 (, 1 to 3, 5 to 14); 34 (, 1 to 9); 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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CLOCKSS Archive
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In Progress
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2026-02-09
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1 to 14, 16, 25 to 34
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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 11, 34
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Portico
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Preserved
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2026-02-12
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Preserved : 1991/1992: 1(1, 1, S, 2-5, 5, S, 6), 1993: 2(1, S, 2-6), 1994: 3(1-6), 1995: 4(1-2, 2, S, 3-6), 1996: 5(1, S, 2-6), 1997: 6(1-9), 1998: 7(1, 1, S, 2, 2, S, 3-9), 1999: 8(1-9), 2000: 9(1-9), 2001: 10(1-12), 2002: 11(1-12), 2003: 12(1-12), 2004: 13(1-12), 2005: 14(1, 1, S, 2-12), 2006: 15(1-12), 2007: 16(1-5, 5, S, 6-12), 2008: 17(1-12), 2009: 18(1-14), 2010: 19(1-14), 2011: 20(1-14), 2012: 21(1-14), 2013: 22(1, 1, S, s1-14), 2014: 23(1-14), 2015: 24(1-3, 6-14), 2016: 25(1, 1, S, 2-14), 2017: 26(1-14), 2018: 27(1, 1, S, 2-14), 2019: 28(1, 1, S, 2-14), 2020: 29(1-11, 13), 2021: 30(1, 3-4, 6, 8-14), 2022: 31(1-14), 2023: 32(1-14), 2024: 33(1-14), 2025: 34(1-14), 2026: 35(1-2)
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LOCKSS Archive
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Preserved
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2026-02-09
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12 to 33
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CLOCKSS Archive
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Preserved
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2026-02-09
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15, 17 to 24
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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 (1-6); 2 (1S, 2-6); 3 (1-6); 4 (1-6); 5 (1S, 2-4, 6); 6 (2-9); 7 (1-9); 8 (1-9); 9 (1-9); 10 (1-12); 11 (1-12); 12 (1-12); 13 (1-12); 14 (1-12); 15 (1-12); 16 (1-12); 17 (1-11); 18 (2-14); 19 (1-14); 20 (1-11, 13, 14); 21 (1-14); 22 (1-14); 23 (1-14); 24 (1-3, 4-5, 6-10, 12-14); 25 (1-14); 26 (1-14); 27 (1-14); 28 (1_suppl, 2-13); 98 (9)
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