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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, 2); 2 (1, 2); 3 (1, 2); 4 (1, 2); 5 (1); 6; 7; 8; 9; 10; 11 (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, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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1 to 32
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LOCKSS Archive
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In Progress
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2026-04-06
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Portico
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Preserved
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2026-04-02
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Preserved : 1977: 1(1-2), 1978: 2(1-2), 1979/1980: 3(1-2), 1981: 4(1-2), 1982: 5(1), 1983: 6(1), 1984: 7(1), 1985: 8(1), 1986: 9(1), 1987: 10(1), 1989: 11(1-2), 1990: 12(1-2), 1991: 13(1-2), 1992: 14(1-2), 1993: 15(1-2), 1994: 16(1-2), 1995: 17(1-2), 1996: 18(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 47
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Portico
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Preserved
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2026-04-02
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Preserved : 2004: 26(1-2)
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Portico
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Preserved
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2026-04-02
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Preserved : 2007: 29(1-2)
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Portico
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Preserved
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2026-04-02
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Preserved : 2008: 30(2)
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Portico
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Preserved
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2026-04-02
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Preserved : 2011: 33(1-2)
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Portico
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Preserved
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2026-04-02
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Preserved : 2012: 34(2), 2013: 35(1-2), 2014: 36(1-2), 2015: 37(1-2), 2016: 38(1-2), 2017: 39(1-2), 2018: 40(1-2), 2019: 41(1-2), 2020: 42(1-2), 2021: 43(1-2), 2022: 44(1-2), 2023: 45(1-2), 2024: 46(1-2), 2025: 47(1-2)
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Library of Congress
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Preserved
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2025-04-07
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40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 2 (1, 2); 3 (1, 2); 4 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 2 (1, 2); 3 (1, 2); 4 (1, 2); 19 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1); 29 (2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1)
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