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CLOCKSS Archive
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Preserved
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2026-04-06
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1 to 52
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LOCKSS Archive
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Preserved
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2026-04-06
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1 to 52
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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 : 5 (1 to 6); 51 (1 to 6); 52 (1 to 6)
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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 6); 2 (1 to 6); 3 (1-2, 3, 4, 5-6); 4 (1, 2-3, 4, 5-6); 5 (1, 2-3, 4 to 6); 15 (1, 2, 3-4, 5, 6); 16 (1, 2, 3-4, 5, 6); 17 (1, 2-3, 4); 18 (1 to 4); 19 (1 to 4); 20 (1-2, 3, 4); 21 (1-2, 3, 4); 22 (1 to 4); 23 (1 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 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 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1, 2-3, 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 6); 48 (1 to 6); 49 (1 to 6); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6)
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Portico
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Preserved
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2026-04-09
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Preserved : 1988: 25(1-4), 1989: 26(1-4), 1989: 27(1-4), 1989: 28(1-4), 1990: 29(1-4), 1990: 30(1-4), 1990: 31(1-4), 1991: 32(1-4), 1991: 33(1-4), 1991: 34(1-4), 1992: 35(1-4), 1992: 36(1-4), 1992: 37(1-4), 1993: 38(1-4), 1993: 39(1-4), 1993: 40(1, 4), 1994: 41(1-4), 1994: 42(1-4), 1994: 43(1-4), 1995: 44(1-4), 1995: 45(1-4), 1995: 46(1-4), 1996: 47(1-4), 1996: 48(1-4), 1996: 49(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 (1 to 8); 7 (1, 2, 3-4, 5 to 9, 11 to 14, 15-16, 17 to 19, 21 to 24); 8 (1 to 6, 7-8, 9, 13-15, 16-18, 19-21, 22, 23-24); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1-2, 3 to 8); 59 (1 to 4, 5-6, 7, 8); 61 (1 to 4, 5-6, 7, 8); 62 (1 to 8); 63 (1 to 8); 64 (1-2, 3 to 8); 65 (1, 2, 3-4, 5-6, 7 to 9, 11 to 19, 21 to 24); 66 (1 to 9, 11 to 14, 15-16, 19, 21 to 24); 67 (1 to 7, 8-1, 11 to 14, 15-16, 17 to 19, 23-24); 68 (1 to 9, 11-12, 13-14, 15, 16, 17-18, 19, 21, 22, 23-24); 69 (1-2, 2 to 6, 7-8, 9, 11 to 19, 21 to 24); 71 (1 to 8, 9-1, 11-12, 13-14, 15 to 19, 21 to 24); 72 (1, 2, 3-4, 5 to 9, 11-12, 13, 14, 15-16, 17-18, 19, 21-22, 23, 24); 73 (1, 2-3, 4, 5-6, 7 to 9, 11, 12, 13-14, 15, 16, 17-18, 19, 21-22, 23, 24); 74 (1, 2-4, 5, 6, 7-9, 11 to 14, 15-16, 17 to 19, 21, 22-24); 75 (1 to 7, 8-1, 11, 12, 13-15, 16-17, 18, 19-2, 21, 22-23, 24); 76 (1 to 3, 4-5, 6 to 9, 11 to 19, 21 to 24); 77 (1-3, 2, 4 to 8, 9-11, 12, 13, 14-16, 17 to 19, 21, 22-24); 78 (1 to 9, 11, 12, 13-14, 15 to 19, 21-22, 23-24); 79 (1 to 8, 9-1, 11, 12, 13-15, 16-17, 18, 19, 21, 22-23, 24); 81 (1-3, 2, 4 to 9, 11 to 19, 21 to 24); 82 (1 to 9, 11 to 19, 21, 22, 23-24); 83 (1 to 9, 11-12, 13-14, 15-16, 17-18, 19-2, 21-22, 23-24); 84 (1 to 9, 11 to 19, 21 to 24); 85 (1 to 9, 11 to 19, 21 to 24); 86 (1, 2-3, 4 to 9, 11 to 19, 21 to 24); 87 (1 to 9, 11 to 19, 21 to 24); 88 (1 to 8, 11, 12)
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National Library of the Netherlands
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Preserved
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2024-12-15
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Preserved : 1 (1-6); 2 (1-6); 3 (1-2, 3, 4, 5-6); 4 (1, 2-3, 4, 5-6); 5 (1, 2-3, 4-6); 6 (1-4, 5-6); 7 (1, 2, 3-4, 5, 6); 8 (1-2, 3, 4, 5-6); 9 (1-4, 5-6); 10 (1-3, 4-5, 6); 11 (1-3, 4-6); 12 (1, 2-3, 4-6); 13 (1, 2-3, 4-6); 14 (1, 2-3, 4, 5-6); 15 (1, 2, 3-4, 5, 6); 16 (1, 2, 3-4, 5, 6); 17 (1, 2-3, 4); 18 (1-4); 19 (1-4); 20 (1-2, 3, 4); 21 (1-2, 3, 4); 22 (1-4); 23 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1, 2-3, 4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-6); 48 (1, 2, 5, 6); 49 (1, 3-6); 50 (1-6); 51 (1-6); 52 (1-6); 53 (1-8); 54 (1-8); 55 (1-8); 56 (1-5, 7, 8); 57 (1-8); 58 (1-2, 3-8); 59 (1-4, 5-6, 7, 8); 60 (1-8); 61 (1-4, 5-6, 7, 8); 62 (1-8); 63 (1-8); 64 (1-2, 3-8); 65 (2, 3-4, 5-6, 7-24); 66 (1-7, 8-10, 9-10, 10-14-16, 17-19, 18-19, 19-21, 23, 24); 67 (1-7, 8-10, 11-14, 15-16, 17-19, 20-22, 23-24); 68 (5, 6, 10, 11-12, 13-14, 16, 17-18, 19, 20, 23-24); 69 (3, 5, 6, 7-8, 9-24); 70 (1, 2, 3-4, 5-14, 15-16, 17-24); 71 (1-8, 9-10, 11-12, 13-14, 15-24)
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