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