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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 18 (1 to 12); 19 (, 1 to 12); 20 (, 1 to 12); 21 (, 1 to 12); 22 (, 1 to 12); 23 (, 1 to 12); 24 (, 1 to 12); 25 (, 1 to 12); 26 (, 1 to 12); 27 (, 1 to 12); 28 (, 1 to 12); 29 (, 1 to 9, 11, 12); 30 (, 1 to 12); 31 (, 1 to 9, 11, 12); 32 (, 2 to 7, 9 to 12); 33 (, 1 to 12); 34 (, 1 to 12); 35 (, 1 to 12); 36 (, 1 to 12); 37 (, 1, 3 to 12); 38 (, 1 to 12); 39 (, 1 to 4, 9 to 12); 40 (, 1 to 12); 41 (, 1 to 12); 42 (, 1 to 12); 43 (, 1 to 12); 44 (, 1 to 9); 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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Preserved
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2026-02-09
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18 to 45
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 18(1-12), 2000: 19(1-12), 2001: 20(1-12), 2002: 21(1-12), 2003: 22(1-12), 2004: 23(1-12), 2005: 24(1-12), 2006: 25(1-12), 2007: 26(1-12), 2008: 27(1-12), 2009: 28(1-12), 2010: 29(1-12), 2011: 30(1-12), 2012: 31(1-12), 2013: 32(1-12), 2014: 33(1-12), 2015: 34(1-12), 2016: 35(1-12), 2017: 36(1-12), 2018: 37(1-12), 2019: 38(1-4, 4, S, 5-12), 2020: 39(1-4, 4, S, 5-11), 2021: 40(1-4, 4, S, 5-12), 2022: 41(1-4, 4, S, 5-12), 2023: 42(1-4, 4, S, 5-12), 2024: 43(1-4, 4, S, 5-12), 2025: 44(1-4, 4, S, 5-7, 7, S, 8-12), 2026: 45(1-2)
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Internet Archive
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Preserved
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2025-08-08
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8 to 18
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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 : 18 (1-12); 19 (1-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (1-12); 24 (1-12); 25 (1-12); 26 (1-12); 27 (1-12); 28 (1-3-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-10, 12); 34 (2-12); 35 (2, 4-12); 36 (1-7, 9-12); 37 (1, 3-6, 8-12); 38 (1-8, 11); 2007 (4S)
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