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Internet Archive
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Preserved
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2025-08-08
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43 to 74
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (2); 2 (1, 2); 3 (1, 2); 4 (1, 2); 5 (1, 2); 6 (1, 2); 7 (1); 8; 9 (2); 10 (1); 11; 12 (2); 13 (1, 2); 14 (1, 2); 15 (1, 2); 16 (1, 2); 17 (1, 2); 18 (1, 2); 19 (1, 2); 20 (1, 2); 21 (1, 2); 22 (1, 2); 23 (1, 2); 24 (1, 2); 25 (1, 2); 26 (1, 2); 27 (1, 2); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 3); 35 (1 to 4); 36 (1 to 3); 37 (1 to 3); 38 (1 to 3); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1 to 4); 51 (1 to 4); 52 (1 to 3); 53 (1 to 4); 54 (1-2, 3, 4); 55 (1-4); 56 (2 to 4); 57 (1 to 4); 58 (1 to 4); 59 (1 to 4); 60 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 70 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1, 2, 3-4); 77 (1, 2, 3-4); 78 (1, 3, 4); 79 (1 to 4); 80 (1 to 4); 81 (1 to 4); 82 (sup1, 1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1, 2, 3-4); 87 (1 to 4); 88 (1 to 3)
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CLOCKSS Archive
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Preserved
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2026-04-13
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ahead-of-print to 88
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LOCKSS Archive
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Preserved
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2026-04-13
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1 to 88
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Portico
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Preserved
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2026-04-16
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Preserved : 1966: 30(1-4), 1967: 31(1-4), 1968: 32(1-4), 1969: 33(1-4), 1970: 34(1-3), 1971: 35(1-4), 1972: 36(1-3), 1974: 37(1-3), 1975: 38(1-3), 1976: 39(1-4), 1977: 40(1-4), 1978: 41(1-4), 1979: 42(1-4), 1980: 43(1-4), 1981: 44(1-4), 1982: 45(1-4), 1983: 46(1-4), 1984: 47(1-4), 1985: 48(1-4), 1986: 49(1-4), 1987: 50(1-4), 1988: 51(1-4), 1989: 52(1-3), 1990: 53(1-4), 1991: 54(3-4), 1992: 55(1)
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Portico
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Preserved
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2026-04-16
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Preserved : 1993: 56(1-4), 1994: 57(1-4), 1995: 58(1-4), 1996: 59(1-4), 1997: 60(1-4), 1998: 61(1-4), 1999: 62(1-4), 2000: 63(1-4), 2001: 64(1-4), 2002: 65(1-4), 2003: 66(1-4), 2004: 67(1-4), 2005: 68(1-4), 2006: 69(1-4), 2007: 70(1-4), 2008: 71(1-4), 2009: 72(1-4), 2010: 73(1-4), 2011: 74(1-4), 2012: 75(1-4), 2013: 76(1-4), 2014: 77(1-4), 2015: 78(1-4), 2016: 79(1-4), 2017: 80(1-5), 2018: 81(1-4), 2019: 82(1-4), 2020: 83(1-4), 2021: 84(1-4), 2022: 85(1-4), 2023: 86(1-4), 2024: 87(1-4), 2025: 88(1-4)
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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 : 6 (2 to 4); 7 (1 to 4); 8 (1 to 5); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1 to 4); 66 (1 to 4); 67 (1 to 4); 68 (1 to 4); 69 (1 to 4); 71 (1 to 4); 72 (1 to 4); 73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1, 2, 3-4); 77 (1, 2, 3-4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (2); 83 (3, 4); 84 (1 to 4); 85 (1 to 4); 86 (1, 2, 3-4); 87 (1 to 4)
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Library of Congress
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Preserved
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2025-04-07
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73 (1 to 4); 74 (1 to 4); 75 (1 to 4); 76 (1 to 3-4); 77 (1 to 3-4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 5); 81 (1 to 4); 82 (sup1, 1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 3-4); 87 (1 to 3)
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