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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1/2, 3/4); 2 (, 1 to 4); 3 (, 1-4); 4 (, 1 to 4); 5 (, 1 to 4); 6 (, 1 to 4); 7 (, 1 to 4); 8 (, 1 to 4); 9 (, 1 to 4); 10 (, 1 to 4); 11 (, 1 to 4); 12 (, 1 to 4); 13 (, 1 to 4); 14 (, 1 to 4); 15 (, 1-4); 16 (, 1 to 4); 17 (, 1 to 4); 18 (, 1 to 4); 19 (, 1 to 4); 20 (, 1 to 4); 21 (, 1 to 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; 31 (3, 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 to 6); 41 (, 1 to 4); 42 (, 1 to 4); 43 (, 1-4); 44 (, 1 to 6); 45 (, 1 to 3); 46 (, 1 to 3); 47 (, 1 to 3); 48 (, 1 to 3); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 4); 55 (, 1 to 4); 56 (, 1 to 4); 57 (, 1-2, 3, 4); 58 (, 1 to 4); 59 (, 1 to 4); 60 (, 1 to 4); 61 (, 1 to 4); 62 (, 1 to 4); 63 (, 1 to 4); 64 (, 1 to 4); 65 (, 1-2, 3-4); 66 (, 1-2, 3-4); 67 (, 1-2, 3-4); 68 (, 1-2, 3-4); 69 (, 1-2, 3-4); 70 (, 1-2, 3, 4); 71 (, 1 to 12); 72 (, 1 to 12); 73 (, 1 to 8); 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013
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Portico
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Preserved
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2026-02-12
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Preserved : 1998: 1(1-2), 1998: 5(1), 1999: 8(1), 1999: 10(4), 1999: 11(1), 2000: 15(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 22(3), 2002: 23(1, 3-4), 2002: 24(1), 2002: 25(3), 2003: 27(1), 2003: 31(2), 2004: 32(2), 2004: 34(4), 2004: 36(3), 2004: 37(1-2), 2005: 43(1-4), 2005/2006: 44(1, S 2, 3-4), 2006: 45(2-3), 2006: 46(1-3), 2006: 48(1, 3), 2007: 49(1-2), 2007: 50(2-4), 2007: 51(1-2, 4), 2007: 52(1, 3-4), 2008: 54(2), 2008: 56(1), 2009: 59(1-2), 2009: 61(2), 2009: 63(3-4), 2009: 64(4), 2010: 65(3-4), 2011: 71(2-4, 9-12), 2012: 72(1, 3, 5-12), 2013: 73(1-8, 10-12), 2014: 74(1-12), 2015: 75(1-12), 2016: 76(1-12), 2017: 77(1-12), 2018: 78(1-12), 2019: 79(1-12), 2020: 80(1-12), 2021: 81(1-12), 2022: 82(1-12), 2023: 83(1-12), 2024: 84(1-12), 2025: 85(1-12), 2026: 86(1-2)
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CLOCKSS Archive
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Preserved
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2026-02-09
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1 to 27, 30 to 32, 34, 36 to 38, 40 to 86
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 78
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LOCKSS Archive
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In Progress
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2026-02-09
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79
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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 (1-2, 3); 2 (1-4); 3 (1-4); 4 (2-4); 5 (1-4); 6 (1-4); 7 (1-4); 8 (1-4); 9 (1-4); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 15 (1-4); 16 (2-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 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 (1-4); 41 (1-4); 42 (1-4); 43 (1-4); 44 (supplement-1, 1-4); 45 (1-3); 46 (1-3); 47 (1, 2); 48 (3); 49 (1-4); 50 (2, 3); 51 (1-4); 52 (1-4); 53 (1-4); 54 (1-4); 55 (1-4); 56 (1-4); 57 (1-2, 3, 4); 58 (1-4); 59 (1-4); 60 (1-4); 61 (1-4); 62 (1-4); 63 (1-4); 64 (1-4); 65 (1-2, 3-4); 66 (1-2, 3-4); 67 (1-2, 3-4); 68 (1-2, 3-4); 69 (1-2, 3-4); 70 (1-2, 3, 4); 71 (1-12); 72 (1-12); 73 (1-12); 74 (1-12); 75 (1-12); 76 (1-12); 77 (1-12); 78 (1-12); 79 (1-10)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 8 (1 to 9, 11, 12); 74 (1); 76 (3, 5, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12)
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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 : 8 (1 to 9, 11, 12); 74 (1); 76 (3, 5, 11, 12); 77 (1 to 9, 11, 12); 78 (1 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 7 (3, 4); 8 (1 to 9, 11, 12); 65 (1-2, 3-4); 66 (1-2, 3-4); 67 (1-2, 3-4); 68 (1-2, 3-4); 69 (1-2, 3-4); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 8)
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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 : 7 (3, 4); 8 (1 to 9, 11, 12); 65 (1-2, 3-4); 66 (1-2, 3-4); 67 (1-2, 3-4); 68 (1-2, 3-4); 69 (1-2, 3-4); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12); 74 (1 to 9, 11, 12); 75 (1 to 9, 11, 12); 76 (1 to 9, 11, 12); 77 (1 to 9, 11, 12); 79 (1 to 9, 11, 12); 81 (1 to 9, 11, 12); 82 (1 to 9, 11, 12); 83 (1 to 9, 11, 12); 84 (1 to 9, 11, 12); 85 (1 to 9)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 1 (1 to 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1); 16 (2 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 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); 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); 41 (1 to 4); 42 (1 to 4); 43 (1); 44 (2 to 4); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1, 3, 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1, 3); 66 (1, 3); 67 (1, 3); 68 (1, 3); 69 (1, 3); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12)
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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); 2 (1 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (1 to 4); 7 (1 to 4); 8 (1 to 4); 9 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1); 16 (2 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 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); 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); 41 (1 to 4); 42 (1 to 4); 43 (1); 44 (2 to 4); 45 (1 to 3); 46 (1 to 3); 47 (1 to 3); 48 (1 to 3); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 4); 55 (1 to 4); 56 (1 to 4); 57 (1, 3, 4); 58 (1 to 4); 59 (1 to 4); 61 (1 to 4); 62 (1 to 4); 63 (1 to 4); 64 (1 to 4); 65 (1, 3); 66 (1, 3); 67 (1, 3); 68 (1, 3); 69 (1, 3); 71 (1 to 9, 11, 12); 72 (1 to 9, 11, 12); 73 (1 to 9, 11, 12)
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Library of Congress
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Preserved
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2025-04-07
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65 (1-2, 3-4); 66 (1-2, 3-4); 67 (1-2, 3-4); 68 (1-2, 3-4); 69 (1-2, 3-4); 70 (1-2, 3, 4); 71 (1 to 12); 72 (1 to 12); 73 (1 to 12); 74 (1 to 12); 75 (1 to 12); 76 (1 to 12); 77 (1 to 12); 78 (1 to 12); 79 (1 to 12); 80 (1 to 12); 81 (1 to 12); 82 (1 to 12); 83 (1 to 12); 84 (1 to 11)
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