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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, 2-3, 4); 2 (1-2, 3, 4); 3 (1-2); 4 (2); 5 (1); 6; 7; 8; 9; 10; 11 (3); 12 (1-2); 13; 14; 15 (3-4); 16 (1); 17; 18 (2-3); 19 (1-2, 3); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 27 (3); 28 (1, 3); 29 (1, 4); 30 (1 to 4); 31 (3, 4); 32 (3, 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1, 3, 4)
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Internet Archive
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Preserved
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2025-08-08
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1 to 28
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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 46
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 46
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Portico
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Preserved
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2026-04-02
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Preserved : 1979: 1(1-3)
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Portico
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Preserved
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2026-04-02
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Preserved : 1981: 2(3)
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Portico
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Preserved
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2026-04-02
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Preserved : 1983: 4(1-2)
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Portico
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Preserved
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2026-04-02
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Preserved : 1984: 5(1), 1985: 6(1), 1986: 7(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 1991: 10(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 1992: 11(3), 1993: 13(1), 1993: 14(1)
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Portico
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Preserved
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2026-04-02
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Preserved : 1995: 16(1), 1996: 18(1), 1997: 19(1-3), 1998: 20(1-4), 1999: 21(1-4), 2000: 22(1-4), 2001: 23(1-4), 2002: 24(1-4), 2003: 25(1-4), 2004: 26(1-4), 2005: 27(1-4), 2006: 28(1-4), 2007: 29(1-4), 2008: 30(1-4), 2009: 31(1-4), 2010: 32(1-4), 2011: 33(1-4), 2012: 34(1-4), 2013: 35(1-4), 2014: 36(1-4), 2015: 37(1-4), 2016: 38(1-4), 2017: 39(1-4), 2018: 40(1-4), 2019: 41(1-4), 2020: 42(1-4), 2021: 43(1-4), 2022: 44(1-4), 2023: 45(1-4), 2024: 46(1-4)
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LOCKSS Archive
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In Progress
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2026-04-06
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1, 1, 2, 4 to 12, 15, 16, 20, 21, 25, 26, 29 to 35, 37 to 40, 42 to 46
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CLOCKSS Archive
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In Progress
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2026-04-06
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1, 1, 2, 4 to 12, 15, 16, 20, 21, 24 to 26, 29 to 47
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LOCKSS Archive
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Preserved
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2026-04-06
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24, 36, 41, 47
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Library of Congress
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Preserved
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2025-04-07
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32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4)
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