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Internet Archive
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Preserved
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2025-08-08
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1 to 8
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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, 3-4); 2 (1 to 4); 3 (1, 2, 3-4); 4 (1, 2, 3-4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1-2); 9 (2); 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (2 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1-2, 3, 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 3)
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Portico
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Preserved
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2026-04-02
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Preserved : 1967/1968/1969: 2(1-4), 1971/1972/1973: 3(1-4), 1973/1977/1980: 4(1-4), 1980/1983/1984/1988: 5(1-4), 1980/1989/1991/1993: 6(1-4), 1994/1995/1996/1997: 7(1-4), 1996: 8(1-2), 1996/1999: 9(1-2), 2000: 10(1-2), 2001: 11(1-2), 2002: 12(1-2), 2003: 13(1-2), 2004: 14(1-3), 2005: 15(1-3), 2006: 16(1-3), 2007: 17(1-3), 2008: 18(1-3), 2009: 19(1-3), 2010: 20(1-3), 2011: 21(1-3), 2012: 22(1-3), 2013: 23(1-4), 2014: 24(1-4), 2015: 25(1-4), 2016: 26(1-4), 2017: 27(1-4), 2018: 28(1-4), 2019: 29(1-4), 2020: 30(1-4), 2021: 31(1-4), 2022: 32(1-4), 2023: 33(1-4), 2024: 34(1-4), 2025: 35(1-3)
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CLOCKSS Archive
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Preserved
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2026-04-06
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ahead-of-print to 35
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 35
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CLOCKSS Archive
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Preserved
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2026-04-06
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18 to 27
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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 : 1 (1, 2); 2 (1 to 3); 3 (1-2, 3, 4); 7; 8 (1-2); 9 (2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1 to 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 21 (1 to 3); 22 (1 to 3); 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); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4)
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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 : 10 (1, 2); 11 (1, 2); 12 (1, 2); 13 (1, 2); 14 (1-3); 15 (1-3); 16 (2, 3); 17 (1-3); 18 (1, 3)
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Library of Congress
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Preserved
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2025-04-07
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20 (1 to 3); 21 (1 to 3); 22 (1 to 3); 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 (1-2, 3, 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 3)
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