Scholars Portal
1962-2026
Preserved
2026-03-19
Preserved : 1 (1 to 3); 2 (1 to 12); 3 (1 to 12); 4 (1 to 12); 5 (1 to 12); 6 (1 to 12); 7 (1 to 12); 8 (1 to 12); 9 (1 to 12); 10 (1 to 12); 11 (1 to 12); 12 (1 to 12); 13 (1 to 12); 14 (1 to 12); 15 (1 to 12); 16 (1 to 12); 17 (1 to 12); 18 (1 to 12); 19 (1 to 12); 20 (1 to 12); 21 (1 to 12); 22 (1 to 12); 23 (1 to 12); 24 (1 to 12); 25 (1 to 12); 26 (1 to 12); 27 (1 to 12); 28 (1 to 12); 29 (1 to 12); 30 (1 to 3 to 5 to 12); 31 (1 to 12); 32 (1_suppl, 2 to 12); 33 (1 to 12); 34 (1 to 12); 35 (1 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 12); 40 (1 to 12); 41 (1 to 9); 42 (1 to 9); 43 (1 to 9); 44 (1 to 9); 45 (1 to 9); 46 (1 to 3 to 5 to 9); 47 (1 to 9); 48 (1 to 9); 49 (1 to 12); 50 (1 to 12); 51 (1 to 12); 52 (1 to 12); 53 (1 to 5, 7 to 14); 54 (1 to 14); 55 (1 to 14); 56 (1 to 4 to 6 to 14); 57 (1 to 8 to 10 to 14); 58 (1 to 10, 11-12, 13, 14); 59 (1 to 3, 4-5, 6 to 8, 9-10, 11 to 14); 60 (1 to 3, 4-5, 6-7, 8, 9-10, 11-12, 13, 14); 61 (1 to 4, 5-6, 7 to 12); 62 (1 to 12); 63 (1 to 12); 64 (1 to 12); 65 (1 to 3)
Internet Archive
1962-2004
Preserved
2025-08-08
1 to 43
CLOCKSS Archive
1962-2026
In Progress
2026-04-06
1 to 43, 45, 56 to 65
LOCKSS Archive
1962-2026
In Progress
2026-04-06
1 to 38, 40, 41, 64, 65
Portico
1962-2026
Preserved
2026-04-02
Preserved : 1962: 1(1-3), 1963: 2(1-12), 1964: 3(1-12), 1965: 4(1-12), 1966: 5(1-12), 1967: 6(1-12), 1968: 7(1-12), 1969: 8(1-12), 1970: 9(1-12), 1971: 10(1-12), 1972: 11(1-12), 1973: 12(1-12), 1974: 13(1-12), 1975: 14(1-12), 1976: 15(1-12), 1977: 16(1-12), 1978: 17(1-12), 1979: 18(1-12), 1980: 19(1-12), 1981: 20(1-12), 1982: 21(1-12), 1983: 22(1-12), 1984: 23(1-12), 1985: 24(1-12), 1986: 25(1-12), 1987: 26(1-12), 1988: 27(1-12), 1989: 28(1-12), 1990: 29(1-12), 1969/1991: 30(1-4, 4, S, 5-12), 1992: 31(1-12), 1969/1993: 32(1, 1, S, 2-12), 1994: 33(1-12), 1995: 34(1-12), 1996: 35(1-12), 1997: 36(1-12), 1998: 37(1-12), 1969/1999: 38(1-12), 2000: 39(1-12), 2001: 40(1-12), 2002: 41(1-9), 2003: 42(1-9), 2004: 43(1-9), 2005: 44(1-9), 2006: 45(1-9), 1969/2007: 46(1-4, 4, S, s4-9), 2008: 47(1-9), 2009: 48(1-9), 2010: 49(1-12), 2011: 50(1-12), 2012: 51(1-12), 2013: 52(1-12), 2014: 53(1-14), 2015: 54(1-14), 2016: 55(1-14), 2017: 56(1-5, 5, S, 6-14), 2018: 57(1-9, 9, S, 10-14), 2019: 58(1-14), 2020: 59(1-14), 2021: 60(2-3, 9-14), 2022: 61(1-12), 2023: 62(1-12), 2024: 63(1-12), 2025: 64(1-12), 2026: 65(1-3)
LOCKSS Archive
2000-2024
Preserved
2026-04-06
39, 42 to 63
CLOCKSS Archive
2005-2016
Preserved
2026-04-06
44, 46 to 55
National Library of the Netherlands
1962-2019
Preserved
2024-12-15
Preserved : 1 (1-3); 2 (1-12); 3 (1-12); 4 (1-12); 5 (1-12); 6 (1-12); 7 (1-12); 8 (1-12); 9 (1-12); 10 (1-12); 11 (1-12); 12 (2-9, 11, 12); 13 (1-5, 7-12); 14 (1, 2, 4-12); 15 (1-12); 16 (1-12); 17 (1-12); 18 (1-12); 19 (1, 2, 5-12); 20 (1-12); 21 (1-12); 22 (1-12); 23 (1-12); 24 (1-12); 25 (1-12); 26 (1-12); 27 (1-12); 28 (1-12); 29 (1-12); 30 (1-12); 31 (1-12); 32 (1-12); 33 (1-12); 34 (1-12); 35 (1-12); 36 (1-12); 37 (1-12); 38 (1-12); 39 (1-12); 40 (1-12); 41 (1-9); 42 (1-9); 43 (1-9); 44 (1-9); 45 (1-9); 46 (1-9); 47 (1-9); 48 (2-9); 49 (1-12); 50 (1-9); 51 (1-12); 52 (1-12); 53 (1-14); 54 (1-8, 10-12, 14); 55 (1-14); 56 (1-14); 57 (1-14); 58 (1-10, 11-12, 13, 14); 69 (1)
British Library
-
Preserved
2019-09-18
Preserved : 53 (1 to 14), 54 (1 to 14), 55 (1 to 14), 56 (1 to 14), 57 (1 to 13)