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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 14 (1, 2); 15 (1); 16; 17; 18; 19; 20; 26 (2); 27 (1, 2); 28 (1, 2); 29 (1, 2); 31 (1, 2); 32 (1, 2); 33 (1, 2); 34 (1, 2); 35 (1, 2); 36 (1, 2); 37 (1, 2); 38 (1, 2); 39 (1, 2); 40 (1, 2); 41 (1, 2); 42 (1, 2); 43 (1, 2); 44 (1, 2); 45 (1, 2); 46 (1, 2); 47 (1, 2); 48 (1, 2); 49 (1, 2); 50 (1, 2); 51 (1, 2); 52 (1, 2); 53 (1, 2); 54 (1, 2); 55 (1, 2); 56 (1, 2); 57 (1, 2); 58 (1, 2); 59 (1, 2); 60 (1, 2); 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 5); 74 (1 to 5); 75 (1 to 5); 76 (1 to 5); 77 (1 to 5); 78 (1 to 5); 79 (1 to 5); 80 (1 to 5); 81 (1 to 5); 82 (1 to 5); 83 (1 to 5); 84 (1 to 5); 85 (1 to 5); 86 (1 to 5); 87 (1 to 5); 88 (1 to 3, 5); 89 (1 to 5); 90 (1 to 5); 91 (1 to 5); 92 (1, 2); 93 (1 to 3); 94 (1, 2, 4, 5); 95 (1 to 4); 96 (1 to 5); 97 (1 to 3); 98 (1, 5); 99 (1, 2)
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Internet Archive
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Preserved
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2025-08-08
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1 to 69
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Portico
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Preserved
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2026-04-23
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Preserved : 1955: 28(1), 1956: 29(1-2), 1957: 30(1), 1958: 31(1), 1959: 32(1), 1960/1962: 33(1-2), 1961: 34(1-2), 1962: 35(1-2), 1963: 36(1-2), 1964: 37(1-2), 1965: 38(1-2), 1966: 39(1-2), 1967: 40(1-2), 1968: 41(1-2), 1969: 42(1-2), 1970: 43(1-2), 1971: 44(1-2), 1972: 45(1-2), 1973: 46(1-2), 1974: 47(1-2), 1975: 48(1-2), 1976: 49(1-2), 1977: 50(1-2), 1978: 51(1-2), 1979: 52(1-2), 1980: 53(1-2), 1981: 54(1-2), 1982: 55(1-2), 1983: 56(1-2), 1984: 57(1-2), 1985: 58(1-2), 1986: 59(1-2), 1987: 60(1-2), 1988: 61(1-3), 1989: 62(1-3), 1990: 63(1-3), 1991: 64(1-3), 1992: 65(1-3), 1993: 66(1-3), 1994: 67(1-3), 1995: 68(1-3), 1996: 69(1-3), 1997: 70(1-3), 1998: 71(1-3), 1999: 72(1-4), 2000: 73(1-5), 2001: 74(1-5), 2002: 75(1-5), 2003: 76(1-5), 2004: 77(1-5), 2005: 78(1-5), 2006: 79(1-5), 2007: 80(1-5), 2008: 81(1-5), 2009: 82(1-5), 2010: 83(1-5), 2010/2011: 84(1-5), 2011/2012: 85(1-5), 2013: 86(1-5), 2014: 87(1-5), 2014/2015: 88(1-5), 2016: 89(1-5), 2017: 90(1-5), 2018: 91(1-5), 2019: 92(1-5), 2020: 93(1-5), 2021: 94(1-5), 2022: 95(1-5), 2023: 96(1-5), 2024: 97(1-5), 2025: 98(1-5), 2026: 99(1-3)
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CLOCKSS Archive
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Preserved
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2026-04-27
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99
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LOCKSS Archive
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Preserved
|
2026-04-27
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78 to 98
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CLOCKSS Archive
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Preserved
|
2026-04-27
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81 to 92, 94
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CLOCKSS Archive
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In Progress
|
2026-04-27
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93, 95 to 98
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LOCKSS Archive
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In Progress
|
2026-04-27
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99
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : ; 8 (1 to 5); 9 (1 to 5); 33 (1, 2); 34 (1, 2); 79 (1 to 5); 81 (1 to 5); 82 (1 to 5); 83 (1 to 5); 84 (1 to 5); 85 (1 to 5); 86 (1 to 5); 87 (1 to 5); 88 (1 to 5); 89 (1 to 5); 91 (1 to 5); 92 (1 to 5); 93 (1 to 5); 94 (1 to 5); 95 (1 to 5); 96 (1 to 5); 97 (1 to 5); 98 (2 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : ; 8 (1 to 5); 9 (1 to 5); 33 (1, 2); 34 (1, 2); 79 (1 to 5); 81 (1 to 5); 82 (1 to 5); 83 (1 to 5); 84 (1 to 5); 85 (1 to 5); 86 (1 to 5); 87 (1 to 5); 88 (1 to 5); 89 (1 to 5); 91 (1 to 5); 92 (1 to 5); 93 (1 to 5); 94 (1 to 5); 95 (1 to 5); 96 (1 to 5); 97 (1 to 5); 98 (2 to 5)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 14 (1, 2); 15 (1); 16
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British Library
|
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Preserved
|
2019-09-18
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|
Preserved : 87 (1; 3 to 5), 88 (1 to 2; 5), 89 (1 to 5), 90 (1 to 4), 91 (3 to 5)
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Scholars Portal
|
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Preserved
|
2026-03-19
|
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Preserved : 90; 99 (2)
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