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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 38 (3 to 6); 39 (, 1 to 6); 40 (, 1 to 6); 41 (, 1 to 6); 42 (, 1 to 6); 43 (, 1 to 6); 44 (, 1 to 4, 6); 45 (, 1 to 6); 46 (, 1 to 6); 47 (, 1 to 6); 48 (, 1 to 6); 49 (, 1 to 6); 50 (, 1 to 6); 51 (, 1 to 3); 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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CLOCKSS Archive
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Preserved
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2026-02-09
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6 to 34
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.10:1-1,4,2-3;vol.11:3-4,1-2;vol.12:1-4;vol.13:1-4;vol.14:1-4;vol.15:1,2-4;vol.16:1-2,3-4;vol.17:1-4;vol.18:1-4;vol.19:1-2,3-4;vol.20:1-4;vol.21:1-4;vol.22:1-4;vol.23:1-4;vol.24:1-4;vol.25:1-4;vol.26:1-4;vol.27:1-4;vol.28:1-2,3-4;vol.29:1-1,4,2-3;vol.30:1-4;vol.31:1-2,3-4;vol.32:1-4;vol.33:1-4;vol.34:1-4;vol.35:1-6;vol.36:1-6;vol.37:1-6;vol.38:1-6;vol.39:1-6;vol.40:1-6;vol.41:1-6;vol.42:1-6;vol.43:1-6;vol.44:1-6;vol.45:1-6;vol.46:1-6;vol.6:1-4;vol.7:3-4,1-2;vol.8:1-2,3-4;vol.9:1,2-4
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 6(1-4), 1998: 7(3-4), 1999: 9(1), 1999: 10(1, 4), 2000: 11(3-4)
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CLOCKSS Archive
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Preserved
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2026-02-09
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6 to 51
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Portico
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Preserved
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2026-02-12
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Preserved : 2001: 15(1)
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Portico
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Preserved
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2026-02-12
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Preserved : 2004: 20(1-4)
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 23(1-4), 2006: 26(1-4), 2006: 28(1-2), 2007: 29(1, 4), 2007: 30(1-4), 2007: 31(1-2), 2008: 32(1-4), 2008: 33(1-4), 2008: 34(1-4), 2009: 35(1-6), 2010: 36(1-6), 2011: 37(1-6), 2012: 38(1-6), 2013: 39(1-6), 2014: 40(1-6), 2015: 41(1-6), 2016: 42(1-6), 2017: 43(1-6), 2018: 44(1-6), 2019: 45(1-6), 2020: 46(1-6), 2021: 47(1-6), 2022: 48(1-6), 2023: 49(1-6), 2024: 50(1-6), 2025: 51(1-6), 2026: 52(1)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : ; 1 (1, 2?3, 4); 2 (1 to 4); 3 (1 to 4); 6 (1 to 4); 7 (1,2, 3, 4); 8 (1,2, 3,4); 9 (1, 2?4); 11 (1,2, 3, 4); 12 (1-4); 13; 14; 15 (2-4); 16 (1,2, 3,4); 17 (1-4); 18; 19 (3,4); 21 (1-4); 22; 23 (2 to 4); 24 (1-4); 25; 26 (2 to 4); 27 (1-4); 28 (2, 3,4); 29 (1, 2,3, 4); 31 (1, 2, 3,4); 32 (1-4); 33 (2 to 4); 34 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-10-23
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Preserved : 1 (1, 2?3, 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 6); 5 (1, 3 to 6); 6 (1 to 4); 7 (1?2, 3, 4); 8 (1?2, 3?4); 9 (1, 2?4); 11 (1?2, 3, 4); 12 (1?4); 13; 14; 15 (2?4); 16 (1?2, 3?4); 17 (1?4); 18; 19 (3?4); 21 (1?4); 22; 23 (2 to 4); 24 (1?4); 25; 26 (2 to 4); 27 (1?4); 28 (2, 3?4); 29 (1, 2?3, 4); 31 (1, 2, 3?4); 32 (1?4); 33 (2 to 4); 34 (1 to 4); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 4)
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National Digital Preservation Program, China
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Preserved
|
2025-12-04
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Preserved : 1 (1, 2?3, 4); 2 (1 to 4); 3 (1 to 4); 4 (1 to 6); 5 (1, 3 to 6); 6 (1 to 4); 7 (1?2, 3, 4); 8 (1?2, 3?4); 9 (1, 2?4); 11 (1?2, 3, 4); 12 (1?4); 13; 14; 15 (2?4); 16 (1?2, 3?4); 17 (1?4); 18; 19 (3?4); 21 (1?4); 22; 23 (2 to 4); 24 (1?4); 25; 26 (2 to 4); 27 (1?4); 28 (2, 3?4); 29 (1, 2?3, 4); 31 (1, 2, 3?4); 32 (1?4); 33 (2 to 4); 34 (1 to 4); 35 (1 to 6); 36 (1 to 6); 37 (1 to 6); 38 (1 to 6); 39 (1 to 6); 41 (1 to 6); 42 (1 to 6); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 6); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 5)
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National Library of the Netherlands
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Preserved
|
2024-12-15
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Preserved : 6 (1-4); 7 (1-2, 3, 4); 8 (1-2, 3-4); 9 (1, 2-4); 10 (1, 2-3, 4); 11 (1-2, 3, 4); 12 (1-4); 13; 14; 15 (2-4); 16 (1-2, 3-4); 17 (1-4); 18; 19 (3-4); 20 (1-4); 21 (1-4); 22; 23 (2-4); 24 (1-4); 25; 26 (2-4); 27 (1-4); 28 (2, 3-4); 29 (1, 2-3, 4); 30 (1-4); 31 (1, 2, 3-4); 32 (1-4); 33 (2-4); 34 (1-4)
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Library of Congress
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Preserved
|
2025-04-07
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39 (1 to 6); 40 (1 to 6); 41 (1 to 6); 42 (1 to 5); 43 (1, 3, 5, 6); 44 (1 to 5); 45 (1, 3, 4, 6); 46 (1, 3 to 6); 47 (1 to 6); 48 (1 to 6); 49 (4, 5); 50 (2)
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