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Internet Archive
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Preserved
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2026-07-13
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1 to 56
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Scholars Portal
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Preserved
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2026-06-02
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 10 (3-4); 11 (1-2, 3-4); 12 (1, 2, 3-4); 13 (1, 2-3, 4); 14 (1-2, 3-4); 15 (1-2, 3-4); 16 (1-2, 3-4); 17 (1-2, 3-4); 18 (1-2, 3-4); 19 (1 to 4); 20 (1-2, 3-4); 21 (1-2, 3, 4); 22 (1-2, 3-4); 23 (1-2, 3, 4); 24 (1-2, 3-4); 25 (1-2, 3, 4); 26 (1, 2-3, 4); 27 (1-2, 3-4); 28 (1-2, 3-4); 29 (1, 2-3, 4); 30 (1 to 4); 31 (1-2, 3, 4); 32 (1, 2, 3-4); 33 (1, 2, 3-4); 34 (1, 2, 3-4); 35 (1, 2, 3-4); 36 (1, 2, 3-4); 37 (1 to 4); 38 (1-2, 3, 4); 39 (1, 2, 3-4); 40 (1, 2, 3-4); 41 (1, 2, 3-4); 42 (1 to 4); 43 (1, 2, 3-4); 44 (1, 2, 3-4); 45 (1, 2-4); 46 (1-2, 3-4); 47 (1, 2, 3-4); 48 (1, 2, 3-4); 49 (1, 2, 3-4); 50 (1, 2-3, 4); 51 (1 to 4); 52 (1-2, 3-4); 53 (1-2, 3, 4); 54 (1-2, 3, 4); 55 (1 to 4); 56 (1 to 8); 57 (1 to 10); 58 (1 to 5, 6-7, 8 to 10); 59 (1 to 3, 7 to 10); 60 (1, 2-3, 4 to 12); 61 (1 to 12); 62 (1 to 12); 63 (1 to 3, 6 to 12); 64 (1 to 14); 65 (1, 2, 4 to 14); 66 (1 to 14); 67 (1 to 14); 68 (1 to 14); 69 (1 to 14); 70 (1 to 14); 71 (1, 2, 4, 6 to 14); 72 (1 to 14); 73 (1 to 8)
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Portico
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Preserved
|
2026-07-16
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Preserved : 2006: 50(2-4), 2006: 51(1-4), 2007: 52(3-4), 2007: 53(1-3)
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LOCKSS Archive
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Preserved
|
2026-07-06
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1 to 71
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CLOCKSS Archive
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Preserved
|
2026-07-06
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just-accepted to 73
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LOCKSS Archive
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In Progress
|
2026-07-06
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72, 73
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Portico
|
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Preserved
|
2026-07-16
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Preserved : 1977/1978: 3(1-4), 1978/1979: 4(1-4)
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Portico
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Preserved
|
2026-07-16
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Preserved : 1980: 5(3-4), 1981: 6(1-4), 1981: 7(1)
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Portico
|
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Preserved
|
2026-07-16
|
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Preserved : 1982: 7(4), 1982: 8(1-2), 1983: 9(1)
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Portico
|
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Preserved
|
2026-07-16
|
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Preserved : 1984: 9(4)
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Portico
|
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Preserved
|
2026-07-16
|
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Preserved : 1986: 12(1-4), 1986/1987: 13(1, 4)
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Portico
|
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Preserved
|
2026-07-16
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Preserved : 1990: 19(1-4), 1991: 20(1-4), 1991: 21(3-4)
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Portico
|
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Preserved
|
2026-07-16
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Preserved : 1992: 23(3-4)
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|
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Portico
|
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Preserved
|
2026-07-16
|
|
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Preserved : 1993: 25(3-4), 1993/1994: 26(1, 4)
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|
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Portico
|
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Preserved
|
2026-07-16
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Preserved : 1995: 28(3-4), 1995: 29(1-4), 1995/1996: 30(1-4), 1996: 31(1-4), 1996/1997: 32(1-2), 1997: 33(1-2), 1997: 34(1-2), 1998: 35(1-2), 1998: 36(1-2), 1999: 37(1-4), 1999/2000: 38(3-4), 2000: 39(1-2), 2000: 40(1-2), 2001: 41(1-2), 2002: 42(1-4), 2002/2003: 43(1-4), 2003: 44(1-2), 2003: 45(1), 2004: 47(1-2), 2004/2005: 48(1-2), 2005: 49(1-4), 2005/2006: 50(1, 4), 2006: 51(1-4), 2006: 52(1-2), 2007: 53(3-4), 2008: 54(3-4), 2008: 55(1-4), 2009: 56(1-8), 2009/2010: 57(1-10), 2011: 58(1-10), 2012: 59(1-10), 2013: 60(1-12), 2014: 61(1-12), 2015: 62(1-12), 2016: 63(1-12), 2017: 64(1-14), 2018: 65(1-14), 2019: 66(1-14), 2020: 67(1-14), 2021: 68(1-14), 2022: 69(1-14), 2023: 70(1-14), 2024: 71(1-14), 2025: 72(1-14), 2026: 73(1-10)
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National Digital Preservation Program, China
|
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Preserved
|
2025-12-04
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Preserved : 4 (1, 2, 3-4); 5 (1, 2-3, 4); 6 (1, 2-3, 4 to 9, 11, 12); 7 (1 to 9, 11 to 14); 32 (2, 3-4); 33 (1, 2, 3-4); 34 (1, 2, 3-4); 35 (1, 2, 3-4); 36 (1, 2, 3-4); 37 (1 to 4); 38 (1-2, 3, 4); 39 (1, 2, 3-4); 41 (1, 2, 3-4); 42 (1 to 4); 43 (1, 2, 3-4); 44 (1, 2, 3-4); 45 (1, 2-4); 46 (1-2, 3-4); 47 (1, 2, 3-4); 48 (1, 2, 3-4); 49 (1, 2, 3-4); 51 (1 to 4); 52 (1-2, 3-4); 53 (1-2, 3, 4); 54 (1-2, 3, 4); 55 (1 to 4); 56 (1 to 8); 57 (1 to 9); 58 (1 to 5, 6-7, 8, 9); 59 (1 to 9); 61 (1 to 9, 11, 12); 62 (1 to 9, 11, 12); 63 (1 to 9, 11, 12); 64 (1 to 9, 11 to 14); 65 (1 to 9, 11 to 14); 66 (1 to 9, 11 to 14); 67 (1 to 9, 11 to 14); 68 (1 to 9, 11 to 14); 69 (1 to 9, 11 to 14); 71 (1 to 9, 11 to 14); 72 (1 to 4, 7)
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|
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National Library of the Netherlands
|
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Preserved
|
2024-12-15
|
|
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Preserved : 1 (1-4); 2 (1-4); 3 (1-4); 4 (1-4); 5 (1-2, 3, 4); 6 (1-2, 3, 4); 7 (1, 2-3, 4); 8 (1, 2, 3-4); 9 (1, 2-3, 4); 10 (1-2, 3-4); 11 (1-2, 3-4); 12 (1, 2, 3-4); 13 (1, 2-3, 4); 14 (1-2, 3-4); 15 (1-2, 3-4); 16 (1-2, 3-4); 17 (1-2, 3-4); 18 (1-2, 3-4); 19 (1-4); 20 (1-2, 3-4); 21 (1-2, 3, 4); 22 (1-2, 3-4); 23 (1-2, 3, 4); 24 (1-2, 3-4); 25 (1-2, 3, 4); 26 (1, 2-3, 4); 27 (1-2, 3-4); 28 (1-2, 3-4); 29 (1, 2-3, 4); 30 (1-4); 31 (1-2, 3, 4); 32 (1, 2, 3-4); 33 (1, 2, 3-4); 34 (1, 3-4); 35 (1, 2, 3-4); 36 (1, 2, 3-4); 37 (1-4); 38 (1-2, 3, 4); 39 (1, 2, 3-4); 40 (1, 2, 3-4); 41 (1, 2, 3-4); 42 (1-4); 43 (1, 2, 3-4); 44 (1, 2, 3-4); 45 (1, 2-4); 46 (1-2, 3-4); 47 (1, 2, 3-4); 48 (1, 2, 3-4); 49 (1, 2, 3-4); 50 (1, 2-3, 4); 51 (1-4); 52 (1-2, 3-4); 53 (1-2, 3, 4); 54 (1-2, 3, 4); 55 (1-4)
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|
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Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
59 (9); 61 (4); 64 (5 to 14); 65 (1 to 14); 66 (1 to 5, 7 to 14); 67 (1 to 14); 68 (1 to 14); 69 (1 to 14); 70 (1 to 14); 71 (1 to 14)
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