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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 : 1974: 30(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 1983: 39(1-6), 1984: 40(1-6), 1985: 41(1-6), 1986: 42(1-6), 1987: 43(1-6), 1988: 44(1-6), 1989: 45(1-6), 1990: 46(1-6), 1991: 47(1-6), 1992: 48(1-6), 1993: 49(1-6), 1994: 50(1-6), 1995: 51(1-6), 1996: 52(1-6), 1997: 53(1-6), 1998: 54(1-6), 1999: 55(1-6), 2000: 56(1-6), 2001: 57(1-6), 2002: 58(1-2, 4-6), 2003: 59(1-6), 2004: 60(1-6), 2005: 61(1-6), 2006: 62(1-6), 2007: 63(1-6), 2008: 64(1-6), 2009: 65(1-6), 2010: 66(1-6), 2011: 67(1-6), 2012: 68(1-6), 2013: 69(1-2)
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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 6); 7 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1, 2 to 4 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (5, 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (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 6); 7 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 58 (1, 2 to 4 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (5, 6); 72 (1 to 6); 73 (1 to 6); 74 (1 to 6); 75 (1 to 6); 76 (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 (1-6); 40 (1-6); 41 (1-6); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-6); 54 (1-6, 9); 55 (1-6); 56 (1-6); 57 (1-6); 58 (2-4-6); 59 (1-6); 60 (1-6); 61 (1-6); 62 (1-6); 63 (1-6); 64 (1, 2); 66 (6); 67 (1-6); 68 (1-6); 69 (1, 2)
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