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