|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1965: 13(1)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1970: 18(1)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1978: 26(2), 1979: 27(1)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1984: 32(1-2)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1986: 34(1)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1989: 37(1)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-04-13
|
|
|
1 to 73
|
|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 8; 39 (2, 3); 40 (1 to 3); 41 (1 to 3); 42 (1 to 4); 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 8); 51 (1 to 8); 52 (1 to 8); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8); 60 (1 to 8); 61 (1 to 8); 62 (1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 8); 67 (1 to 8); 68 (1 to 8); 69 (1 to 8); 70 (1 to 8); 71 (1 to 8); 72 (Suppl, 1 to 8); 73 (1 to 4)
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
42 to 43
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 1995: 42(4)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 2000: 47(6), 2001: 48(1)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 2002: 49(3)
|
|
|
Portico
|
|
Preserved
|
2026-04-16
|
|
|
Preserved : 2004: 51(2, 6), 2005: 52(6), 2006: 53(3-6, 8), 2007: 54(1, 3, 5-8), 2008: 55(1-8), 2009: 56(1-8), 2010: 57(1-8), 2011: 58(1-8), 2012: 59(1, 4-6, 8), 2013: 60(1-8), 2014: 61(1-6, 8), 2015: 62(3-8), 2016: 63(1-8), 2017: 64(1-8), 2018: 65(1-8), 2018/2019: 66(1-8), 2019/2020: 67(1-8), 2021: 68(1-8), 2022: 69(1-8), 2023: 70(2-8), 2024: 71(1-8), 2025: 72(1, S 1, 2-8), 2025/2026: 73(1-4)
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-04-13
|
|
|
59, 66
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-04-13
|
|
|
60 to 65
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-10-23
|
|
|
Preserved : 5 (1 to 8); 6 (1 to 8); 7 (1 to 8); 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 8); 52 (1 to 8); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8); 61 (1 to 8); 62 (1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 8); 67 (1 to 8); 68 (1 to 8); 69 (1 to 8); 71 (1 to 8)
|
|
|
National Digital Preservation Program, China
|
|
Preserved
|
2025-12-04
|
|
|
Preserved : 5 (1 to 8); 6 (1 to 8); 7 (1 to 8); 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 8); 52 (1 to 8); 53 (1 to 8); 54 (1 to 8); 55 (1 to 8); 56 (1 to 8); 57 (1 to 8); 58 (1 to 8); 59 (1 to 8); 61 (1 to 8); 62 (1 to 8); 63 (1 to 8); 64 (1 to 8); 65 (1 to 8); 66 (1 to 8); 67 (1 to 8); 68 (1 to 8); 69 (1 to 8); 71 (1 to 8)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 8 (1); 44 (2-6); 45 (1-6); 46 (1-6); 47 (1-6); 48 (1-6); 49 (1-6); 50 (1-8); 51 (2-6, 8); 52 (1-8); 53 (1-8); 54 (1-8); 55 (1-8); 56 (1-8); 57 (1-8); 58 (1-8); 59 (1-8); 60 (1-8); 61 (1-8); 62 (1-8); 63 (1-8); 64 (1-8); 65 (1-8); 66 (1-8)
|