|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 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 to 4); 48 (, 1 to 4); 49 (, 1 to 4); 50 (, 1 to 4); 51 (, 1 to 4); 52 (, 1 to 4); 53 (, 1 to 4); 54 (, 1 to 6); 55 (, 1 to 6); 56 (, 1 to 4, 5/6); 57 (, 1 to 6); 58 (, 1 to 6); 59 (, 1 to 6); 60 (, 1 to 6); 61 (, 1 to 6); 62 (, 1 to 6); 63 (, 1 to 6); 64 (, 1 to 6); 65 (, 1 to 6); 66 (, 1 to 6); 67 (, 1 to 6); 68 (, 1 to 6); 69 (, 1 to 6); 70 (, 1 to 6); 71 (, 1 to 6); 72 (, 2 to 6); 73 (, 1, 2); 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 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 to 62
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1953: 1(3)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 73
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1989: 37(1-4), 1990: 38(1-4), 1991: 39(1-4), 1992: 40(1-4), 1993: 41(1-4), 1994: 42(1-4), 1995: 43(1-4), 1996: 44(1-4), 1997: 45(1-4), 1998: 46(1-4), 1999: 47(1-4), 2000: 48(1-4), 2001: 49(1-4), 2002: 50(1-4), 2003: 51(1-4), 2004: 52(1-4), 2005: 53(1-4), 2006: 54(1-6), 2006/2007: 55(1-6), 2008: 56(1-6), 2009: 57(1-6), 2010: 58(1-6), 2011: 59(1-6), 2012: 60(1-4, 6), 2013: 61(1-6), 2014: 62(1-6), 2015: 63(1-6), 2016: 64(1-6), 2017: 65(1-6), 2018: 66(1-6), 2019: 67(1-6), 2019/2020: 68(1-6), 2021: 69(1-6), 2022: 70(1-6), 2023: 71(1-6), 2024: 72(1-6), 2025: 73(2-6)
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
60, 67
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
61 to 66
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 70 (1 to 6); 71 (1 to 6); 72 (1 to 4)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1 to 4); 6 (1 to 6); 7 (1 to 6); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 6); 55 (1 to 6); 56 (1 to 5); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1 to 4); 6 (1 to 6); 7 (1 to 6); 45 (1 to 4); 46 (1 to 4); 47 (1 to 4); 48 (1 to 4); 49 (1 to 4); 51 (1 to 4); 52 (1 to 4); 53 (1 to 4); 54 (1 to 6); 55 (1 to 6); 56 (1 to 5); 57 (1 to 6); 58 (1 to 6); 59 (1 to 6); 61 (1 to 6); 62 (1 to 6); 63 (1 to 6); 64 (1 to 6); 65 (1 to 6); 66 (1 to 6); 67 (1 to 6); 68 (1 to 6); 69 (1 to 6); 71 (1 to 6); 72 (1 to 6)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 62 (1 to 6)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 62 (1 to 6)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 54 (1, 3, 4, 6); 55 (1, 2, 4-6); 56 (1-4, 5-6); 57 (1-5); 58 (1, 2, 4-6); 59 (1-6); 60 (1-6); 61 (1-6); 62 (1-6); 63 (1-6); 64 (1-6); 65 (1-4, 6); 66 (1-6); 67 (1-5)
|
