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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 9 (2, 3); 10 (1 to 3); 11 (1 to 3); 12 (1 to 3); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 5); 17 (1 to 6); 18 (1 to 6); 19 (Supplement, 1_suppl, 2 to 6); 20 (1 to 6); 21 (Supplement, 1_suppl, 2 to 6); 22 (Supplement, 1_suppl, 2 to 6); 23 (1 to 6); 24B (1 to 6); 24b (1, 2); 25B (1 to 6); 26 (1 to 6); 27 (1 to 6); 28 (Supplement, 1_suppl, 2 to 6); 29 (1 to 6); 30 (Supplement, 1_suppl, 2 to 6); 31 (Supplement, 1 to 6)
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LOCKSS Archive
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In Progress
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2026-05-25
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9 to 27
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CLOCKSS Archive
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In Progress
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2026-05-25
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9 to 31
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LOCKSS Archive
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Preserved
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2026-05-25
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28 to 31
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Portico
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Preserved
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2026-05-28
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Preserved : 1984: 9(1-3), 1985: 10(1-3), 1986: 11(1-3), 1987: 12(1-3), 1988: 13(1-4), 1989: 14(1-4), 1990: 15(1-4), 1991: 16(1-5), 1992: 17(1-6), 1993: 18(1-6), 1994: 19(1, S 1, 2-6), 1995: 20(1-6), 1996: 21(1, S 1, 2-6), 1997: 22(1, S 1, 2-6), 1998: 23(1-6), 1999: 24(1-6), 2000: 25(1-6), 2001: 26(1-6), 2002: 27(1-6), 2003: 28(1, S 1, 2-6), 2004: 29(1-6), 2005: 30(1, S 1, 2-6), 2006: 31(1, S 1, 2-6), 2007: 32(1-2)
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Portico
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Preserved
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2026-05-28
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Preserved : 1984: 9(1-3), 1985: 10(1-3), 1986: 11(1-3), 1987: 12(1-3), 1988: 13(1-4), 1989: 14(1-4), 1990: 15(1-4), 1991: 16(1-5), 1992: 17(1-6), 1993: 18(1-6), 1994: 19(1, 1, S, 2-6), 1995: 20(1-6), 1996: 21(1, 1, S, 2-6), 1997: 22(1, 1, S, 2-6), 1998: 23(1-6), 1999: 24(1-6), 2000: 25(1-6), 2001: 26(1-6), 2002: 27(1-6), 2003: 28(1, S 1, 2-6), 2004: 29(1-6), 2005: 30(1, S 1, 2-6), 2006: 31(1-6), 2007: 32(1-6), 2008: 33(1, 3)
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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 : 9 (2, 3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-4); 14 (1-4); 15 (1-4); 16 (1-5); 17 (1-6); 18 (1-6); 19 (S1, 1-6); 20 (1-6); 21 (S1, 1-6); 22 (S1, 1-6); 23 (1-6); 24 (1-6); 25 (1-6); 26 (1-6); 27 (1-6); 28 (S1, 1-6); 29 (1-6); 30 (S1, 1-6); 31 (S1, 1-6); 32 (1, 2)
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