|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 1 (1); 2 (2 to 4); 3 (1 to 4); 4 (1 to 4); 5 (1 to 4); 6 (21 to 24); 7 (25 to 28); 8 (29 to 32); 9 (33-34, 35, 36); 10 (37 to 40); 11 (41 to 44); 12 (45 to 48); 13 (49-50, 51, 52); 14 (53 to 56); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 20 (1 to 4); 21 (1 to 4); 22 (1 to 4); 23 (1, 3, 4, 89-90); 24 (1, 2, 4, 95); 25 (1 to 4, 97); 26 (1 to 4); 27 (1 to 4); 28 (1, 3, 4, 109-110); 29 (1 to 3, 116); 30 (117 to 120); 31 (121 to 123); 32 (124, 125-126, 127); 33 (1, 2, 3-4); 34 (1-2, 3, 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, 2, 3-4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1, 2, 3-4); 47 (1 to 4); 48 (1, 2, 3-4); 49 (1, 2, 3-4); 50 (1 to 4); 51 (1, 2, 3-4); 52 (1, 2, 3-4); 53 (1 to 4); 54 (2 to 4); 55 (1 to 4); 56 (1)
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
6 to 44
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-05-04
|
|
|
1 to 37, 46 to 56
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-05-04
|
|
|
1 to 32, 55, 56
|
|
|
Portico
|
|
Preserved
|
2026-05-07
|
|
|
Preserved : 1971: 1(1-4), 1972: 2(1-4), 1973: 3(1-4), 1974: 4(1-4), 1975: 5(1-4), 1976: 6(21-24), 1977: 7(25-28), 1978: 8(29-32), 1979: 9(33-36), 1980: 10(37-40), 1981: 11(41-44), 1982: 12(45-48), 1983: 13(49-52), 1984: 14(53-56), 1985: 15(1-4), 1986: 16(1-4), 1987: 17(1-4), 1988: 18(1-4), 1989: 19(1-4), 1990: 20(1-4), 1991: 21(1-4), 1992: 22(1-4), 1993: 23(1, 3-4, 89-90), 1994: 24(1-2, 4, 95), 1995: 25(1-4, 97), 1996: 26(1-4), 1997: 27(1-4), 1998: 28(1, 3-4, 109-110), 1999: 29(1-3, 116), 2000: 30(117-120), 2001: 31(121-123), 2002: 32(124-127), 2003: 33(1-4), 2004: 34(1-4), 2005: 35(1-4), 2006: 36(1-4), 2007: 37(1-4), 2008: 38(1-4), 2009: 39(1-4), 2010: 40(1-4), 2011: 41(1-4), 2012: 42(1-4), 2013: 43(1-4), 2014: 44(1-4), 2015: 45(1-4), 2016: 46(1-4), 2017: 47(1-4), 2018: 48(1-4), 2019: 49(1-4), 2020: 50(1-4), 2021: 51(1-4), 2022: 52(1-4), 2023: 53(1-4), 2024: 54(1-4), 2025: 55(1-4), 2026: 56(1)
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-05-04
|
|
|
33 to 54
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-05-04
|
|
|
38 to 45
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
40 (1 to 4); 41 (1 to 3-4); 42 (1 to 4); 43 (1 to 4); 44 (1 to 4); 45 (1 to 4); 46 (1 to 3-4); 47 (1 to 4); 48 (1 to 3-4); 49 (1 to 3-4); 50 (1 to 4); 51 (1 to 3-4); 52 (1 to 3-4); 53 (1 to 4); 54 (1 to 3)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1); 2 (2-4); 3 (1-4); 4 (1-4); 5 (1-4); 6 (2, 21-24); 7 (25-28); 8 (29-32); 9 (33-34, 35, 36); 10 (37-40); 11 (41, 42, 44); 12 (45-48); 13 (49-50, 51, 52); 14 (53-56); 15 (1-4); 16 (1-4); 17 (1-4); 18 (1-4); 19 (1-4); 20 (1-4); 21 (1-4); 22 (1-4); 23 (1, 3, 4, 89-90); 24 (1, 2, 4, 95); 25 (1-4, 97); 26 (1-4); 27 (1-4); 28 (1, 3, 4, 109-110); 29 (1-3, 116); 30 (117-120); 31 (121-123); 32 (124, 125-126, 127); 33 (1, 2, 3-4); 34 (1-2, 3, 4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-3); 39 (1-4); 40 (1-4); 41 (1, 2, 3-4); 42 (1-4); 43 (1-4); 44 (1-4); 45 (1, 2, 4); 46 (1, 2, 3-4); 47 (1-4); 48 (1, 2, 3-4); 49 (1, 2)
|
|
|
British Library
|
|
Preserved
|
2019-09-18
|
|
|
Preserved : 44 (1 to 4), 45 (1 to 4), 46 (1 to 2), 47 (1 to 4), 48 (1)
|