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Internet Archive
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Preserved
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2025-08-08
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1 to 39
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Scholars Portal
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Preserved
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2026-03-19
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Preserved : 1 (1 to 7, 8-9, 10-11, 12); 2 (1 to 12); 3 (1 to 3, 4-5, 6, 7, 8-9, 10, 11-12); 4 (1-2, 3-4, 5 to 9, 10-11, 12); 5 (1-2, 3-4, 5, 6-7, 8 to 12); 6 (1 to 12); 7 (1 to 3, 4-5, 6 to 12); 8 (1, 2-3, 4 to 12); 9 (1 to 12); 10 (1 to 12); 11 (1 to 12); 12 (1 to 6, 7-8, 9, 10, 11-12); 14; 15 (4, 12); 17 (1, 2, 8); 18 (1 to 10); 19 (1 to 10); 20 (1 to 5, 6-7, 8 to 12); 21 (1 to 8, 9-10); 22 (1 to 10); 23 (1 to 10); 24 (1 to 6, 7-8, 9, 10); 25 (1 to 8); 26 (1 to 10); 27 (1 to 10); 28 (1 to 8); 29 (1 to 8); 30 (1 to 8); 31 (1 to 8); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1-2, 3, 4, 5-6); 37 (1 to 6); 38 (1 to 3, 4-5); 39 (1 to 6); 40 (1 to 6); 41 (1 to 8); 42 (1 to 5, 6-7, 8); 43 (1 to 6, 7-8); 44 (1 to 6, 7-8); 45 (1 to 3, 7, 8); 46 (1 to 8); 47 (1 to 10); 48 (1 to 9); 49 (1 to 3, 5 to 10); 50 (1 to 9); 51 (1 to 10); 52 (1, 2, 3-4, 5 to 10); 53 (1 to 10); 54 (1 to 10); 55 (1 to 10); 56 (1 to 8, 9-10); 57 (1 to 10); 58 (1 to 10); 59 (1 to 3)
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CLOCKSS Archive
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Preserved
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2026-04-27
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ahead-of-print to 59
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Portico
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Preserved
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2026-04-23
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Preserved : 1970: 3(1-5), 1971: 4(3-5), 1972: 5(5)
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Portico
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Preserved
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2026-04-23
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Preserved : 1973: 6(1-5), 1974: 7(1-3, 6-12), 1975: 8(1-12), 1976: 9(1-12), 1977: 10(1-12), 1978: 11(1-12), 1979: 12(1-6, 9-10), 1980: 13(1, 4-12), 1981: 14(1-7, 10-12), 1982: 15(1-9, 12), 1983: 16(1-9), 1984: 17(1-3, 8-9), 1985: 18(1-9), 1986: 19(1-9), 1987: 20(1-5, 8-9), 1988: 21(1-8), 1989: 22(1-9), 1990: 23(1-8), 1991: 24(1-6), 1992: 25(1-8), 1993: 26(1-8), 1994: 27(1-8), 1995: 28(1-8), 1996: 29(1-8), 1997: 30(1-8), 1998: 31(1-8), 1999: 32(1-6), 2000: 33(1-6), 2001: 34(1-6), 2002: 35(1-6), 2003: 36(1-6), 2004: 37(1-6), 2005: 38(1-3, 6), 2006: 39(1-6), 2007: 40(1-6), 2008: 41(1-8), 2009: 42(1-8), 2010: 43(1-8), 2011: 44(1-8), 2012: 45(1-8), 2013: 46(1-8), 2014: 47(1-10), 2015: 48(1-10), 2016: 49(1-10), 2017: 50(1-10), 2018: 51(1-10), 2019: 52(1-10), 2020: 53(1-10), 2021: 54(1-10), 2022: 55(1-10), 2023: 56(1-10), 2024: 57(1-10), 2025: 58(1-10), 2026: 59(1-4)
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LOCKSS Archive
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Preserved
|
2026-04-27
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1 to 57
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CLOCKSS Archive
|
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Preserved
|
2026-04-27
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41 to 48, 50
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LOCKSS Archive
|
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In Progress
|
2026-04-27
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58, 59
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
|
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Preserved : 3 (1 to 8); 4 (1 to 6); 5 (1 to 9); 31 (1 to 8); 32 (1 to 6); 33 (1 to 6); 34 (1 to 6); 35 (1 to 6); 36 (1-2, 3, 4, 5-6); 37 (1 to 6); 38 (1 to 3, 4-5); 39 (1 to 6); 41 (1 to 8); 42 (1 to 5, 6-7, 8); 43 (1 to 6, 7-8); 44 (1 to 6, 7-8); 45 (1 to 8); 46 (1 to 8); 47 (1 to 9); 48 (1 to 9); 49 (1 to 9); 51 (1 to 9); 52 (1, 2, 3-4, 5 to 9); 53 (1 to 9); 54 (1 to 9); 55 (1 to 9); 56 (1 to 8, 9-1); 57 (1 to 9); 58 (1 to 3, 5)
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Library of Congress
|
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Preserved
|
2025-04-07
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43 (1 to 7-8); 44 (1 to 7-8); 45 (1 to 8); 46 (1 to 8); 47 (1 to 10); 48 (1 to 10); 49 (1 to 10); 50 (1 to 10); 51 (1 to 10); 52 (1 to 3-4, 5 to 10); 53 (1 to 10); 54 (1 to 10); 55 (1 to 10); 56 (1 to 9-10); 57 (1 to 10)
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