|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1957: 2(4), 1958: 3(1, 4), 1959: 4(2, 4), 1960: 5(1, 3-4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1962: 7(1), 1963: 8(1, 4), 1964: 9(2-3), 1965: 10(2-4), 1966: 11(4), 1967: 12(2), 1968: 13(1, 4), 1969: 14(2, 4), 1970: 15(4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1972: 17(2)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1975: 20(2-3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1978: 23(3-4), 1979: 24(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1980: 25(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1983: 28(4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1984: 29(4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1987: 32(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1991: 36(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1992: 37(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1993: 38(4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1996: 41(1-4), 1997: 42(1-4)
|
|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 42 (1-2, 3, 4); 43 (, 1 to 4); 44 (, 1 to 4); 45 (, 1 to 4); 46 (, 1 to 4); 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 6); 56 (, 1 to 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 3); 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
|
|
|
1 to 65
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 71
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1997: 42(1-4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2000: 45(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2003: 48(2)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2005: 50(3), 2006: 51(2, 6), 2007: 52(1, 3), 2008: 53(1, 3-4)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2010: 55(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2011: 56(4-5), 2012: 57(4), 2013: 58(1-6), 2014: 59(1-6), 2015: 60(2-6), 2016: 61(1-6), 2017: 62(1-6), 2018: 63(1-6), 2019: 64(1-6), 2019/2020: 65(1-6), 2021: 66(1-6), 2022: 67(1-6), 2023: 68(1-6), 2024: 69(1-6), 2025: 70(1, 3-6), 2026: 71(1)
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
57, 64
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
58 to 63
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 43 (1-4); 44 (1-4); 45 (1-4); 46 (1-4); 47 (1-6); 48 (1-6); 49 (1, 3, 5, 6); 50 (2-6); 51 (1, 3, 4, 6); 52 (1-6); 53 (1-6); 54 (1-6); 55 (1-6); 56 (1-6); 57 (1-6); 58 (1-6); 59 (1-6); 60 (1-6); 61 (1-6); 62 (1-6); 63 (1-6); 64 (1-5)
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
63 (2 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)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1 to 6); 6 (1 to 6); 42 (1, 3, 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 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)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1 to 6); 6 (1 to 6); 42 (1, 3, 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 4); 47 (1 to 6); 48 (1 to 6); 49 (1 to 6); 51 (1 to 6); 52 (1 to 6); 53 (1 to 6); 54 (1 to 6); 55 (1 to 6); 56 (1 to 6); 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)
|