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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 3 (S2); 4; 7; 9 (1 to 12); 10 (1 to 12); 11 (1 to 12); 12 (1 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (S1, 1 to 12); 22 (1 to 12); 23 (S12, 1 to 12); 24 (S5, 1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (S1, 1 to 12); 30 (1 to 12); 31 (S1, 1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (1 to 12); 35 (S1, 1 to 12); 44 (3 to 12); 45 (1, 2, 4 to 12); 46 (1 to 7)
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Internet Archive
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Preserved
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2025-08-08
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3 to 35
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Portico
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Preserved
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2026-04-23
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Preserved : 1988: 9(6)
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CLOCKSS Archive
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Preserved
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2026-04-13
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9 to 47
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Portico
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Preserved
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2026-04-23
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Preserved : 1990: 11(3)
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Portico
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Preserved
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2026-04-23
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Preserved : 1991: 12(8)
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Portico
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Preserved
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2026-04-23
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Preserved : 1993: 14(6), 1994: 15(1)
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Portico
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Preserved
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2026-04-23
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Preserved : 1997: 18(12), 1998: 19(5, 7)
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Portico
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Preserved
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2026-04-23
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Preserved : 2014: 35(1-12), 2014/2015: 36(1-12), 2015/2016: 37(1-12), 2016/2017: 38(1-12), 2017/2018: 39(1-12), 2018/2019: 40(1-12), 2019/2020: 41(1, S 1, 2-12), 2020/2021: 42(1-12), 2022: 43(1-12), 2023: 44(1-12), 2024: 45(1-12), 2025: 46(1-12), 2026: 47(1-3)
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Portico
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Preserved
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2026-04-23
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Preserved : 1999: 20(1-12), 2000: 21(1, S 1, 2-12), 2001: 22(1-12), 2002: 23(1-12, S 12), 2003: 24(1-5, S 5, 6-12), 2004: 25(1-12), 2005: 26(1-12), 2006: 27(1-3, 5, 7-12), 2006/2007: 28(1, 4-12), 2007/2008: 29(1, S 1, 2-12), 2008/2009: 30(1-12), 2009/2010: 31(1, S 1, 2-11), 2011: 32(1-12), 2012: 33(1-12), 2013: 34(1-12), 2014: 35(1, S 1, 2, S 2, 3, S 3, 4-12)
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Library of Congress
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Preserved
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2025-04-07
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11 (3); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 10, S1, 11, 12); 42 (1 to 4, 6 to 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 9)
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