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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 (2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1, 2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2)
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Portico
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Preserved
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2026-04-09
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Preserved : 1980: 1(1), 1981: 2(1-2), 1982: 3(1-2), 1983: 4(1-2), 1984: 5(1-2), 1985: 6(1-2), 1986: 7(1-2), 1987: 8(1-2), 1988: 9(1-2), 1989: 10(1-2), 1990: 11(1-2), 1991: 12(1-2), 1992: 13(1-2), 1993: 14(1-2), 1993/1994: 15(1-3), 1994/1995: 16(1-3), 1995/1996: 17(1-3), 1996/1997: 18(1-3), 1997/1998: 19(1-3), 1998/1999: 20(1-3), 1999/2000: 21(1-2), 2000/2001: 22(1-2), 2001/2002: 23(1-2), 2002/2003: 24(1-2), 2003/2004: 25(1-2), 2004/2005: 26(1-2), 2005/2006: 27(1-2), 2006/2007: 28(1-2), 2007/2008: 29(1-2), 2008/2009: 30(1-2), 2009/2010: 31(1-2), 2010/2011: 32(1-2), 2011/2012: 33(1-2), 2012/2013: 34(1-2), 2013/2014: 35(1-2), 2014/2015: 36(1-2), 2015/2016: 37(1-2), 2016/2017: 38(1-2), 2017/2018: 39(1-2), 2018/2019: 40(1-2), 2019/2020: 41(1-2), 2020/2021: 42(1-2), 2021/2022: 43(1-2), 2022/2023: 44(1-2), 2023/2024: 45(1-2), 2024/2025: 46(1-2), 2025/2026: 47(1-2)
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CLOCKSS Archive
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In Progress
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2026-04-06
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21 to 27, 39 to 47
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LOCKSS Archive
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In Progress
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2026-04-06
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21, 29, 30, 46, 47
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LOCKSS Archive
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Preserved
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2026-04-06
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22 to 28, 31 to 45
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CLOCKSS Archive
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Preserved
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2026-04-06
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28 to 38
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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; 2 (2); 3 (1, 2); 4; 5 (1, 2); 6 (1); 7 (2); 8 (1, 2); 9 (1, 2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1, 2); 15 (1-3); 16 (1-3); 17 (1-3); 18 (1-3); 19 (1-3); 20 (1-3); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37; 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1)
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Library of Congress
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Preserved
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2025-04-07
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31 (2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1)
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British Library
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Preserved
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2019-09-18
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Preserved : 36 (2), 37 (2), 38 (1 to 2), 39 (1 to 2), 40 (1)
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