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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1, 2-3, 4, 5-6); 2 (1 to 6); 3 (1 to 6); 4 (1 to 6); 5 (Supplement, 1 to 6); 6 (Supplement, 1 to 6); 7 (1 to 6); 8 (1 to 6); 9 (1, 2, 3-4, 5, 6); 10 (1 to 4, 5-6); 11 (Supplement, 1 to 6); 12 (Supplement, 1 to 6); 13 (Supplement, 1 to 6); 14 (1 to 6); 15 (Supplement, 1 to 6); 16 (Supplement, 1 to 6); 17 (Supplement, 1 to 6); 18 (1 to 6); 19 (Supplement, 1 to 6); 20 (1 to 6); 21 (Supplement, 1 to 6); 22 (1 to 6); 23 (1 to 6); 24 (Complete); 25; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 49; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59
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CLOCKSS Archive
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Preserved
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2026-04-27
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1 to 53, 55 to 60
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Portico
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Preserved
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2026-04-23
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Preserved : 1997: 1(1-6), 1998: 2(1-6), 1999: 3(1-6), 2000: 4(1-6), 2001: 5(1-6, ), 2002: 6(1-6, ), 2003: 7(1-6), 2004: 8(1-6), 2005: 9(1-6), 2006: 10(1-6), 2007: 11(1-6, ), 2008: 12(1-6, S), 2009: 13(1-6, S), 2010: 14(1-6), 2011: 15(1-6, S), 2012: 16(1-6, S), 2013: 17(1, S 1, 2-6), 2014: 18(1-6), 2015: 19(1-6), 2016: 20(1-6), 2017: 21(1, S 1, 2-6), 2018: 22(1-6), 2019: 23(1-6), 2020: 24, 2020: 25, 2020: 26, 2020: 27, 2020: 28, 2020: 29, 2021: 30, 2021: 31, 2021: 32, 2021: 33, 2021: 34, 2021: 35, 2022: 36, 2022: 37, 2022: 38, 2022: 39, 2022: 40, 2022: 41, 2023: 42, 2023: 43, 2023: 44, 2023: 45, 2023: 46, 2023: 47, 2024: 48, 2024: 49, 2024: 50, 2024: 51, 2024: 52, 2024: 53, 2025: 54, 2025: 55, 2025: 56, 2025: 57, 2025: 58, 2025: 59, 2026: 60
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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, 2-3, 4, 5-6); 2 (1-6); 3 (1-6); 4 (1-6); 5 (S1, 1-6); 6 (SA, 1-6); 7 (1-6); 8 (1-6); 9 (1, 2, 3-4, 5, 6); 10 (1-4, 5-6); 11 (S1, 1-6); 12 (S1, 1-6); 13 (S1, 1-6); 15 (S1, 1-6); 16 (S1, 1-6); 17 (S1, 1-6); 18 (1-6); 19 (S1, 1-6); 20 (1-6); 21 (S1, 1-6); 22 (1-6); 23 (1, 2, 4, 5)
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