|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
41 (1 to 5); 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); 50 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 5); 56 (1)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 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 (1-5); 38 (1-4); 39 (1-4); 40 (1-4); 41 (1-5); 42 (1-6); 43 (1-6); 44 (1-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1, 3-6); 50 (1-5)
|
|
|
British Library
|
|
Preserved
|
2019-09-18
|
|
|
Preserved : 49 (2; 4 to 5)
|
|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 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 5); 38 (, 1 to 4); 39 (, 1_suppl, 2 to 4); 40 (, 1 to 4); 41 (, 1 to 5); 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); 50 (, 1 to 6); 51 (, 1 to 6); 52 (, 1 to 6); 53 (, 1 to 6); 54 (, 1 to 6); 55 (, 1, 3 to 6); 56 (, 1 to 3); 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
37
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
38 to 47
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2007: 38(3-4), 2008: 39(1, S 1, 2-4), 2009: 40(1-4), 2010: 41(1-5), 2011: 42(1-6), 2012: 43(1-6), 2013: 44(1-6), 2014: 45(1-6), 2015: 46(1-6), 2016: 47(1-2)
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
29 to 47, 49 to 56
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
29 to 33, 56
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1998: 29(1-4), 1999: 30(1-4), 2000: 31(1-4), 2001: 32(1-4), 2002: 33(1-4), 2003: 34(1-4), 2004: 35(1-4), 2005: 36(1-4), 2006: 37(1-5), 2007: 38(1-4), 2008: 39(1, 1, S, 2-4), 2009: 40(1-4), 2010: 41(1-5), 2011: 42(1-6), 2012: 43(1-6), 2013: 44(1-6), 2014: 45(1-6), 2015: 46(1-6), 2016: 47(1-6), 2017: 48(1-6), 2018: 49(1-6), 2019: 50(1-6), 2020: 51(1-6), 2021: 52(1-6), 2022: 53(1-6), 2023: 54(1-4, 6), 2024: 55(1-6), 2025: 56(1-6), 2026: 57(1)
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
34 to 55
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
48
|
|
|
Technische Informationsbibliothek
|
|
Preserved
|
2026-01-13
|
|
|
vol.38:3-4;vol.39:1-4,S1;vol.40:1-4;vol.41:1-5;vol.42:1-6;vol.43:1-6;vol.44:1-6;vol.45:1-6;vol.46:1-6;vol.47:1-2
|
