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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2); 2 (1, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6; 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, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (3, 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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11 to 31
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Portico
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Preserved
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2026-04-16
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Preserved : 1976: 1(2), 1978: 2(1-2), 1979: 3(1-2), 1980: 4(1-2), 1981: 5(1-2), 1982/1983: 6(1-2), 1983/1984: 7(1-2), 1984/1985: 8(1-2), 1985/1986: 9(1-2), 1986/1987: 10(1-2), 1987/1988: 11(1-2), 1988/1989: 12(1-2), 1990: 13(1-2), 1991/1992: 14(1-2), 1993: 15(1-2), 1994/1995: 16(1-2), 1995/1996: 17(1-2), 1997: 18(1-2), 1997/1998: 19(1-2), 1998: 20(1-2), 1999/2000: 21(1-4), 2000/2001: 22(1-4), 2001/2002: 23(1-4), 2002/2003: 24(1-4), 2003/2004: 25(1-4), 2004/2005: 26(1-4), 2005/2006: 27(1-4), 2006/2007: 28(1-4), 2007/2008: 29(1-4), 2008/2009: 30(1-4), 2009/2010: 31(1-4), 2010/2011: 32(1-4), 2011/2012: 33(1-4), 2012/2013: 34(1-4), 2013/2014: 35(1-4), 2014/2015: 36(1-4), 2015/2016: 37(1-4), 2016/2017: 38(1-4), 2017/2018: 39(1-4), 2018/2019: 40(1-4), 2019/2020: 41(1-4), 2020/2021: 42(1-4), 2021/2022: 43(1-4), 2022/2023: 44(1-4), 2023/2024: 45(1-4), 2024/2025: 46(1-4), 2025/2026: 47(1-2)
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CLOCKSS Archive
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In Progress
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2026-04-13
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21 to 25, 38 to 47
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LOCKSS Archive
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In Progress
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2026-04-13
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21, 29, 30, 47
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LOCKSS Archive
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Preserved
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2026-04-13
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22 to 28, 31 to 46
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CLOCKSS Archive
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Preserved
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2026-04-13
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26 to 37
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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 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1)
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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 (1, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6; 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, 2); 16 (1, 2); 17; 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1, 3, 4); 31 (1-4); 32 (1-4); 33 (2-4); 34 (1-4); 35 (1-4); 36 (1-3); 37 (2-4); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1)
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British Library
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Preserved
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2019-09-18
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Preserved : 35 (2 to 4), 36 (1 to 4), 37 (1 to 4), 38 (1 to 4), 39 (1 to 4), 40 (1)
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