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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 28 (1 to 12); 29 (1 to 12); 30 (1 to 12); 31 (1 to 12); 32 (1 to 12); 33 (1 to 12); 34 (7 to 12); 38 (1 to 12); 39 (1 to 10, 12); 40 (1, 3, 4, 6 to 11); 41 (1 to 12); 42 (2, 4, 5, 7 to 10, 12); 43 (1 to 12); 44 (1 to 12); 45 (1 to 12); 46 (1 to 12); 47 (2 to 12); 48 (1 to 12); 49 (1 to 12); 50 (1 to 12); 51 (1 to 12); 52 (1 to 9); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 57 (1 to 6); 59 (1); 61 (2); 62 (3, 4); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 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 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 80 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 90 (1, 3, 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (2, 3-4); 95 (1 to 3); 96 (1 to 3); 97 (1 to 4); 98 (1 to 4); 99 (1 to 4); 100 (1 to 4); 101 (1 to 4); 102 (1 to 4); 103 (1 to 4); 104 (1)
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Internet Archive
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Preserved
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2025-08-08
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1 to 93
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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, 28 to 34, 38 to 103
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LOCKSS Archive
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Preserved
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2026-04-13
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28 to 34, 38 to 102
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LOCKSS Archive
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In Progress
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2026-04-13
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103, 104
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Portico
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Preserved
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2026-04-16
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Preserved : 1950: 28(1-12), 1951: 29(1-12), 1952: 30(1-12), 1953: 31(1-12), 1954: 32(1-12), 1955: 33(1-12), 1956: 34(7-12), 1960: 38(1-12), 1961: 39(1-10, 12), 1962: 40(1, 3-4, 6-11), 1963: 41(1-12), 1964: 42(2, 4-5, 7-10, 12), 1965: 43(1-12), 1966: 44(1-12), 1967: 45(1-12), 1968: 46(1-12), 1969: 47(2-12), 1970: 48(1-12), 1971: 49(1-12), 1972: 50(1-12), 1973: 51(1-12), 1974: 52(1-9), 1975: 53(1-6), 1976: 54(1-6), 1977: 55(1-6), 1978: 56(1-6), 1979: 57(1-6), 1980: 58(1-6), 1981: 59(1-6), 1982: 60(1-6), 1983: 61(1-6), 1984: 62(1-6), 1985: 63(1-6), 1986: 64(1-6), 1987: 65(1-6), 1988: 66(1-6), 1989: 67(1-6), 1990: 68(1-4), 1991: 69(1-4), 1992: 70(1-4), 1993: 71(1-4), 1994: 72(1-4), 1995: 73(1-4), 1996: 74(1-4), 1997: 75(1-4), 1998: 76(1-4), 1999: 77(1-4), 2000: 78(1-4), 2001: 79(1-4), 2002: 80(1-4), 2003: 81(1-4), 2004: 82(1-4), 2005: 83(1-4), 2006: 84(1-4), 2007: 85(1-4), 2008: 86(1-4), 2009: 87(1-4), 2010: 88(1-4), 2011: 89(1-4), 2012: 90(1-4), 2013: 91(1-4), 2014: 92(1-4), 2015: 93(1-4), 2016: 94(1-4), 2017: 95(1-4), 2018: 96(1-4), 2019: 97(1-4), 2020: 98(1-4), 2020/2021: 99(1-4), 2022: 100(1-4), 2023: 101(1-4), 2024: 102(1-4), 2025: 103(1-4), 2026: 104(1)
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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); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1); 75 (2 to 4); 76 (1 to 4); 77 (1 to 4); 78 (1 to 4); 79 (1 to 4); 81 (1 to 4); 82 (1 to 4); 83 (1 to 4); 84 (1 to 4); 85 (1 to 4); 86 (1 to 4); 87 (1 to 4); 88 (1 to 4); 89 (1 to 4); 91 (1 to 4); 92 (1 to 4); 93 (1 to 4); 94 (1, 2, 3-4); 95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4); 99 (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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95 (1 to 4); 96 (1 to 4); 97 (1 to 4); 98 (1 to 4); 99 (1 to 4); 100 (1 to 4); 101 (1 to 4); 102 (1 to 4)
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