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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 (1, 2); 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, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 30 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (2, 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 3); 41 (1 to 3); 42 (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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1 to 21
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CLOCKSS Archive
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Preserved
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2026-03-30
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1 to 42
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Portico
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Preserved
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2026-04-02
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Preserved : 1984: 1(1), 1985: 2(1), 1986: 3(1-2), 1987: 4(1-2), 1988: 5(1-2), 1989: 6(1), 1990: 7(1-2), 1991: 8(1-2), 1992: 9(1-2), 1993: 10(1-2), 1994: 11(1-2), 1995: 12(1-2), 1996: 13(1-2), 1997: 14(1-2), 1998: 15(1-2), 1999: 16(1-2), 2000: 17(1-2), 2001: 18(1-2), 2002: 19(1-2), 2003: 20(1-2), 2004: 21(1-2), 2005: 22(1-2), 2006: 23(1-2), 2007: 24(1-2), 2008: 25(1-2), 2009: 26(1-3), 2010: 27(1-3), 2011: 28(1-3), 2012: 29(1-3), 2013: 30(1-3), 2014: 31(1-3), 2015: 32(1-3), 2016: 33(1-3), 2017: 34(1-3), 2018: 35(1-3), 2019: 36(1-3), 2019/2020: 37(1-3), 2021: 38(1-3), 2022: 39(1-3), 2023: 40(1-3), 2024: 41(1-2), 2025: 42(1-3), 2026: 43(1)
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LOCKSS Archive
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In Progress
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2026-03-30
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29, 36
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LOCKSS Archive
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Preserved
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2026-03-30
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30 to 35
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Library of Congress
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Preserved
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2025-04-07
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35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 40 (1 to 3); 41 (1, 2)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 2 (1, 2); 3 (1 to 3); 4 (1 to 3); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 3)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 2 (1, 2); 3 (1 to 3); 4 (1 to 3); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1 to 3); 27 (1 to 3); 28 (1 to 3); 29 (1 to 3); 31 (1 to 3); 32 (1 to 3); 33 (1 to 3); 34 (1 to 3); 35 (1 to 3); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 3); 41 (1 to 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 : 14 (2); 16; 18 (1); 20 (2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1-3); 27 (1-3); 28 (1-3); 29 (1-3); 30 (1-3); 31 (1-3); 32 (1-3); 33 (1-3); 34 (1-3); 35 (1-3); 36 (1, 2)
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