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CLOCKSS Archive
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In Progress
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2026-02-09
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 3
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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); 2 (, 1, 2, 3-4); 3 (, 1-2, 3-4); 7 (, 1 to 4); 8 (, 1, 2-3, 4); 9 (, 1, 2, 3-4); 10 (, 1, 2, 3-4); 11 (, 1 to 3, 4-5); 12 (, 1 to 3, 4-5); 13 (, 1 to 3, 4-5); 14 (, 1 to 3, 4-5); 15 (, 1 to 3, 4-5); 16 (, 1 to 5); 17 (, 1 to 5); 18 (, 1 to 5); 19 (, 1 to 5); 20 (, 1, 2-3, 4-5); 21 (, 1 to 5); 22 (, 1-2, 3 to 5); 23 (, 1-2, 3 to 5); 24; 25-26; 27; 28; 29; 30; 31; 32-33; 34; 35; 36; 37-38; 39; 40; 41; 42; 44; 45; 46; 47; 49; 50; 51; 52; 54; 59; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 70; 72; 73; 74; 75; 76; 77; 78; 1990; 1991; 1992; 1993; 1994; 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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Preserved
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2026-02-09
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7 to 25, 27 to 32, 34 to 37, 39 to 42, 44 to 47, 49 to 52, 54 to 57, 59 to 70, 72 to 80
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 7(1-4), 1998: 8(1-4), 1999: 9(1-4), 2000: 10(1-4), 2001: 11(1-5), 2002: 12(1-5), 2003: 13(1-5), 2004: 14(1-5), 2005: 15(1-5), 2006: 16(1-5), 2007: 17(1-5), 2008: 18(1-5), 2009: 19(1-5), 2010: 20(1-5), 2011: 21(1-5), 2012: 22(1-5), 2013: 23(1-5), 2014: 24(C), 2014: 25(C), 2014: 27(C), 2014: 28(C), 2015: 29(C), 2015: 30(C), 2015: 31(C), 2015: 32-33, 2016: 34(C), 2016: 35(C), 2016: 36, 2016: 37-38, 2017: 39, 2017: 40, 2017: 41, 2017: 42-43, 2018: 44, 2018: 45, 2018: 46, 2018: 47-48, 2019: 49, 2019: 50, 2019: 51, 2019: 52-53, 2020: 54, 2020: 55, 2020: 56, 2020: 57-58, 2021: 59, 2021: 60, 2021: 61, 2021: 62, 2022: 63, 2022: 64, 2022: 65, 2022: 66, 2023: 67, 2023: 68, 2023: 69, 2023: 70-71, 2024: 72, 2024: 73, 2024: 74, 2024: 75, 2024: 76, 2025: 77, 2025: 78, 2025: 79, 2025: 80
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Portico
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Preserved
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2026-02-12
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Preserved : 1990/1991/1992: 1(1-4), 1992/1993: 2(1-4), 1994: 3(1-4)
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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 : 7 (1-4); 8 (1, 2-3, 4); 9 (1, 2, 3-4); 10 (1, 2, 3-4); 11 (1-3, 4-5); 12 (1-3, 4-5); 13 (1-3, 4-5); 14 (1-3, 4-5); 15 (1-3, 4-5); 16 (1-5); 17 (1-5); 18 (1-5); 19 (1-5); 20 (1, 2-3, 4-5); 21 (1-5); 22 (1-2, 3-5); 23 (1-2, 3-5); 24 (C); 25-26; 27; 28; 29; 30; 31; 32-33; 34; 35; 36; 37-38; 39; 40; 41; 42-43; 44; 45; 46; 47-48; 49; 50; 51
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