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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; 5; 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); 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; 29 (1, 2); 30 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35; 36 (1)
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Internet Archive
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Preserved
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2025-08-08
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4 to 7
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Portico
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Preserved
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2026-04-16
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Preserved : 1988: 1(1), 1989: 2(1), 1990: 3(1), 1991: 4(1), 1992: 5(1), 1993: 6(1), 1994: 7(1), 1995: 8(1), 1996: 9(1), 1997: 10(1), 1998: 11(1-2), 1999: 12(1-2), 2000: 13(1-2), 2001: 14(1-2), 2002/2013: 15(1-2), 2003: 16(1-2), 2004: 17(1-2)
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CLOCKSS Archive
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Preserved
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2026-04-13
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1 to 36, 39
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Portico
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Preserved
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2026-04-16
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Preserved : 2008: 21(1-2), 2009: 22(1-2), 2010: 23(1-2), 2011: 24(1-2), 2012: 25(1-2), 2013: 26(1-2), 2014: 27(1-2), 2015: 28(1-2), 2016: 29(1-2), 2017: 30(1-2), 2017/2018: 31(1-2), 2018/2019: 32(1-2), 2020: 33(1-2), 2021: 34(1-2), 2022: 35(1-2), 2023: 36(1-2), 2024: 37(1-2)
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Portico
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Preserved
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2026-04-16
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Preserved : 2026: 39
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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, 2); 33 (1, 2); 34 (1, 2); 35 (2); 36 (1)
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