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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 8 (1 to 6); 9 (1 to 6); 10 (5, 6); 11 (1, 2, 4); 12 (3 to 6); 13 (1_suppl, 4 to 6); 14 (1 to 3, 5); 15 (1_suppl, 4, 6); 16 (1_suppl, 2 to 6); 17 (1 to 3, 5, 6); 18 (1 to 6)
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Portico
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Preserved
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2026-04-09
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Preserved : 2003: 10(S 1, 4-6), 2004: 11(1-6), 2005: 12(1-6), 2006: 13(1, S 1, 2-6), 2007: 14(1, S 1, 2, S 2, 3, S 3, 4-6), 2008: 15(1, S 1, 2-6), 2009: 16(1, Suppl 1, 2, S 2, 3-6), 2007/2010: 17(1, S 1, 2, Suppl 2, 3-6), 2011: 18(1 1_suppl, 3, 5-6), 2012: 19(1-2)
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Portico
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Preserved
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2026-04-09
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Preserved : 1994: 1(1-4), 1995: 2(1-6), 1996: 3(1-6), 1997: 4(1-6), 1998: 5(1-6)
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Portico
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Preserved
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2026-04-09
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Preserved : 2001: 8(1-6), 2002: 9(1-6), 2003: 10(5-6), 2004: 11(1-2, 4), 2005: 12(3-6), 2006: 13(1, 1, S, 4-6), 2007: 14(1, 1, S, 2, 2, S, 3, 3, S, 5), 2008: 15(1, S, 4, 6), 2009: 16(1, 1, S, 2, 2, S, 3-6), 2010: 17(1, 1, S, 2, 2, S, 3, 5-6), 2011: 18(1, 1, S, 2-6)
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CLOCKSS Archive
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In Progress
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2026-04-06
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10, 11
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LOCKSS Archive
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Preserved
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2026-04-06
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10 to 18
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CLOCKSS Archive
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Preserved
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2026-04-06
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12 to 18
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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 : 4 (5-6); 5; 8 (4); 12 (5, 6); 13 (1_suppl); 14 (2_suppl, 3_suppl); 15 (1_suppl, 4); 16 (1_suppl, 2_suppl); 17 (1_suppl, 2_suppl); 18 (1_suppl, 3, 5)
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Library of Congress
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Preserved
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2025-04-07
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17 (2_suppl, 1_suppl, 1 to 6); 18 (1_suppl, 1 to 6)
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