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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 5
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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 4); 2 (, 1-2, 2 to 4); 3 (, 1 to 5); 4 (, 1 to 4, 6 to 8); 5 (, 1 to 4, 9); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1 to 4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 4); 22 (, 1 to 4); 23 (, 1 to 4); 24 (, 1 to 4); 25 (, 1, 2-4); 26 (, 1 to 4); 27 (, 1 to 4); 28 (, 1 to 4); 29 (, 1 to 4); 30 (, 1 to 4); 31 (, 1 to 4); 32 (, 1 to 4); 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 1(1-4), 1982: 2(1, S 1, 2, S 2, 3-4), 1983: 3(1-3, S 3, 4, S 4, S 5), 1984: 4(1-4, S 6, S 7, S 8)
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Portico
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Preserved
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2026-02-12
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Preserved : 1985: 5(S 9)
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LOCKSS Archive
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In Progress
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2026-02-09
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Portico
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Preserved
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2026-02-12
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Preserved : 1981: 1(1-4), 1982: 2(1-4), 1983: 3(1-5), 1984: 4(1-4, 6-8), 1985: 5(1-4, 9), 1986: 6(1-4), 1987: 7(1-4), 1988: 8(1-4), 1989: 9(1-4), 1990: 10(1-4), 1991: 11(1-4), 1992: 12(1-4), 1993: 13(1-4), 1994: 14(1-4), 1995: 15(1-4), 1996: 16(1-4)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 32
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Portico
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Preserved
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2026-02-12
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Preserved : 1999: 18(4), 1999: 19(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 23(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2006: 26(3), 2007: 27(1-2, 4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 28(4), 2009: 29(1-4), 2010: 30(1-4), 2011: 31(1-4), 2012: 32(2-4)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (1 to 4); 2 (1-2, 2 to 4); 3 (Suppl 4, 1 to 4); 4 (Suppl 7, 1 to 4); 5 (Suppl 9, 1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1, 2-4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 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); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 1 (1 to 4); 2 (1-2, 2 to 4); 3 (Suppl 4, 1 to 4); 4 (Suppl 7, 1 to 4); 5 (Suppl 9, 1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1, 2-4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 31 (1 to 4); 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); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4)
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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 : 1 (1-4); 2 (1-4); 3 (S3, 1-4); 4 (S6, 1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1, 2-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4)
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