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Portico
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Preserved
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2026-04-23
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Preserved : 1981: 1(1-4), 1982: 2(1-4), 1983: 3(1-4), 1984: 4(1-3), 1985: 5(1-2, 4), 1986: 6(1-4)
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Portico
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Preserved
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2026-04-23
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Preserved : 1990: 10(1-6), 1991: 11(1, 3-6), 1992: 12(1-6)
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Portico
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Preserved
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2026-04-23
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Preserved : 2001: 21(1-6), 2002: 22(1-6), 2003: 23(1-6), 2004: 24(1-6), 2005: 25(1-6), 2006: 26(1-6), 2007: 27(1-6), 2008: 28(1-6), 2009: 29(1-6), 2010: 30(1-6), 2011: 31(1-6), 2012: 32(1-6), 2013: 33(1-6), 2014: 34(1-6), 2015: 35(1-6), 2016: 36(1-6), 2017: 37(1-6), 2018: 38(1-6), 2019: 39(1-6), 2020: 40(1-6), 2021: 41(1-6), 2022: 42(1-6), 2023: 43(1-6), 2024: 44(1-6), 2025: 45(1-6), 2026: 46(1)
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 22; 23 (2 to 6); 24 (1 to 6); 25 (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (1 to 6); 29 (1 to 6); 30 (1 to 6); 31 (1 to 4); 32 (1 to 6); 33 (1 to 6); 34 (1 to 4, 6); 35 (2 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 40 (1, 2, 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 3, 5, 6); 45 (1, 3 to 6); 46 (1)
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CLOCKSS Archive
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Preserved
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2026-04-13
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23 to 46
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Internet Archive
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Preserved
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2025-08-08
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17 to 22
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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 (1-4); 2 (1-4); 3 (1-4); 4 (1-3); 5 (1, 2, 4); 6 (1-4); 10 (1-6); 11 (1, 3-6); 12 (1-6); 21 (1-6); 22 (1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (1-6); 29 (1-6); 30 (1-6); 31 (1-6); 32 (1-6); 33 (1-6); 34 (1-6); 35 (1-6); 36 (1-6); 37 (1-6); 38 (1-6); 39 (1-5)
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