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Scholars Portal
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Preserved
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2025-09-02
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Preserved :
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Portico
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Preserved
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2026-02-12
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Preserved : 1983: 39(1-12), 1984: 40(1-12), 1985: 41(1-12), 1986: 42(1-12), 1987: 43(1-12), 1988: 44(1-12), 1989: 45(1-12), 1990: 46(1-12), 1991: 47(1-12), 1992: 48(1-12), 1993: 49(1-12), 1994: 50(1-12), 1995: 51(1-12), 1996: 52(1-12), 1997: 53(1-12), 1998: 54(1-12), 1999: 55(1-12), 2000: 56(1-12), 2001: 57(1-12), 2002: 58(1-12), 2003: 59(1-12), 2004: 60(1-12), 2005: 61(1-12), 2006: 62(1-12), 2007: 63(1-12), 2008: 64(1-12), 2009: 65(1-12), 2010: 66(1-12), 2011: 67(1-12), 2012: 68(1-12), 2013: 69(1-12)
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CLOCKSS Archive
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Preserved
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2026-02-09
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47 to 82
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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 : 6 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1, 2)
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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 : 6 (1 to 9, 11, 12); 7 (1 to 9, 11, 12); 53 (1 to 9, 11, 12); 54 (1 to 9, 11, 12); 55 (1 to 9, 11, 12); 56 (1 to 9, 11, 12); 57 (1 to 9, 11, 12); 58 (1 to 9, 11, 12); 59 (1 to 9, 11, 12); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11, 12); 65 (1 to 9, 11, 12); 66 (1 to 9, 11, 12); 67 (1 to 9, 11, 12); 68 (1 to 9, 11, 12); 69 (1 to 9, 11, 12); 71 (1, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1, 2)
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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 : 39 (1-12); 40 (1-12); 41 (1-12); 42 (1-12); 43 (1-12); 44 (1-12); 45 (1-12); 46 (1-12); 47 (1-12); 48 (1-12); 49 (1-12); 50 (1-12); 51 (1-12); 52 (1-12); 53 (1-12); 54 (1-12); 55 (1-12); 56 (1-12); 57 (1-12); 58 (1-12); 59 (1-12); 60 (1-12); 61 (1-12); 62 (1-12); 63 (1-12); 64 (1-4); 66 (12); 67 (1-12); 68 (1-12); 69 (1-12); 76 (10); 128 (C)
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