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Internet Archive
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Preserved
|
2025-08-08
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3 to 30
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Scholars Portal
|
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Preserved
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2026-03-19
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Preserved : 14 (2, 3); 15 (1 to 3); 16 (1 to 3); 17 (1 to 3); 18 (1 to 3); 19 (1 to 3); 20 (1 to 3); 21 (1, 2-3); 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 (3); 32 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1, 3, 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 4); 41 (1 to 4); 42 (1 to 3); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 50 (1)
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|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-3); 2 (1-3); 3 (1-3); 4 (1-3); 5 (1-3); 6 (1-3); 7 (1-3); 8 (1-3); 9 (1-3); 10 (1-3); 11 (1-3); 12 (1-3); 13 (1-3); 14 (1-3); 15 (1, 2); 16 (1-3); 17 (1-3); 18 (1-3); 19 (1-3); 20 (1-3); 21 (1, 2-3); 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)
|
|
|
Technische Informationsbibliothek
|
|
Preserved
|
2026-01-13
|
|
|
vol.22:1-4;vol.23:1-4;vol.24:1-4;vol.25:1-4;vol.26:1-4;vol.27:1-4
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-04-13
|
|
|
22 to 27
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-04-13
|
|
|
14 to 46, 48, 49
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-04-13
|
|
|
14 to 49
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-04-13
|
|
|
50
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1991/1992: 15(1-3), 1992/1993: 16(1-3), 1993/1994: 17(1-3), 1994/1995: 18(1-3), 1995/1996: 19(1-3), 1996/1997: 20(1-3), 1997: 21(1-3), 1998: 22(1-4), 1999: 23(1-4), 2000: 24(1-4), 2001: 25(1-4), 2002: 26(1-4), 2003: 27(1-4), 2004: 28(1-4), 2005: 29(1-4), 2006: 30(1-4), 2007: 31(1-4), 2008: 32(1-4), 2009: 33(1-4), 2010: 34(1-4), 2011: 35(1-4), 2012: 36(1-4), 2013: 37(1-4), 2014: 38(1-4), 2015: 39(1-4), 2016: 40(1-4), 2017: 41(1-4), 2018: 42(1-4), 2019: 43(1-4), 2020: 44(1-4), 2021: 45(1-4), 2022: 46(1-4), 2023: 47(1-4), 2024: 48(1-4), 2025: 49(1-4), 2026: 50(1)
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|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
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 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, 3, 4); 48 (1 to 4)
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