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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, 3); 2 (4); 3 (5 to 9); 4 (10 to 14); 5 (15 to 18); 6 (19 to 21); 7 (22 to 24); 8 (25 to 27); 9 (28 to 30); 10 (31 to 33); 11 (34 to 36); 12 (37 to 39); 13 (40 to 43); 14 (44, 45); 15 (46 to 48); 16 (49 to 52); 17 (53 to 56); 18 (57 to 60); 19 (61 to 64); 20 (65 to 68); 21 (69 to 72); 22 (73 to 76); 23 (77 to 81); 24 (82); 25 (92 to 94); 26 (1 to 5); 27 (1 to 5); 28 (1 to 5); 29 (1 to 5); 30 (1 to 5); 31 (1 to 5); 32 (1 to 5); 33 (1 to 5); 34 (1 to 5); 35 (1 to 5); 36 (1 to 5); 37 (1 to 5); 38 (1, 3 to 5); 39 (1 to 5); 40 (1 to 5); 41 (1 to 5); 42 (1 to 5); 43 (1 to 5); 44 (1 to 5); 45 (1 to 5); 46 (1 to 5); 47 (1 to 5); 48 (1, 2, 4, 5); 49 (1 to 5); 50 (1 to 3)
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Internet Archive
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Preserved
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2025-08-08
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to 43
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CLOCKSS Archive
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In Progress
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2026-04-13
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1 to 31, 41 to 50
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LOCKSS Archive
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In Progress
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2026-04-13
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1 to 25, 49, 50
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Portico
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Preserved
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2026-04-23
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Preserved : 1976: 1(1-3), 1977: 2(4), 1978: 3(5-9), 1979: 4(10-14), 1980: 5(15-18), 1981: 6(19-21), 1982: 7(22-24), 1983: 8(25-27), 1984: 9(28-30), 1985: 10(31-33), 1986: 11(34-36), 1987: 12(37-39), 1988/1989: 13(40-43), 1989: 14(44-45), 1990: 15(46-48), 1991: 16(49-52), 1992: 17(53-56), 1993: 18(57-60), 1994: 19(61-64), 1995: 20(65-68), 1996: 21(69-72), 1997: 22(73-76), 1998: 23(77-81), 1999: 24(82-86), 2000/2001: 25(87-94), 2001/2002: 26(1-5), 2002/2003: 27(1-5), 2003/2004: 28(1-5), 2004/2005: 29(1-5), 2005/2006: 30(1-5), 2006/2007: 31(1-5), 2007/2008: 32(1-5), 2008/2009: 33(1-5), 2009/2010: 34(1-5), 2010/2011: 35(1-5), 2011/2012: 36(1-5), 2012/2013: 37(1-5), 2013/2014: 38(1-5), 2014/2015: 39(1-5), 2015/2016: 40(1-5), 2016/2017: 41(1-5), 2017/2018: 42(1-5), 2018/2019: 43(1-5), 2019/2020: 44(1-5), 2020/2021: 45(1-5), 2021/2022: 46(1-5), 2022/2023: 47(1-5), 2023/2024: 48(1-5), 2024/2025: 49(1-5), 2025/2026: 50(1-3)
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LOCKSS Archive
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Preserved
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2026-04-13
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26 to 48
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CLOCKSS Archive
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Preserved
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2026-04-13
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32 to 40
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Library of Congress
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Preserved
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2025-04-07
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34 (3 to 5); 35 (1 to 5); 36 (1 to 5); 37 (1 to 5); 38 (1 to 5); 39 (1 to 5); 40 (1 to 5); 41 (1 to 5); 42 (1 to 5); 43 (1 to 5); 44 (1 to 5); 45 (1 to 5); 46 (1 to 5); 47 (1 to 5); 48 (1 to 5); 49 (1, 3)
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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, 3); 2 (4); 3 (5-9); 4 (10-14); 5 (15-18); 6 (19-21); 7 (22-24); 8 (25-27); 9 (28-30); 10 (31-33); 11 (34-36); 12 (37-39); 13 (40-43); 14 (44, 45); 15 (46-48); 16 (49-52); 17 (53-56); 18 (57-60); 19 (61-64); 20 (65-68); 21 (69-72); 22 (73-76); 23 (77-81); 24 (82); 25 (92-94); 26 (1-5); 27 (1-5); 28 (1-5); 29 (1-5); 30 (1-5); 31 (1-5); 32 (1-5); 33 (1-5); 34 (1-5); 35 (1-5); 36 (1-5); 37 (1-5); 38 (1-5); 39 (1-5); 40 (2-5); 41 (1-5); 42 (1-5); 43 (1-5); 44 (1)
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British Library
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Preserved
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2019-09-18
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Preserved : 38 (3 to 5), 39 (1 to 5), 40 (1 to 5), 41 (1 to 3), 42 (1 to 5), 43 (1)
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