|
|
Scholars Portal
|
|
Preserved
|
2026-03-19
|
|
|
Preserved : 1 (1 to 4); 2 (1 to 4); 3 (2); 4 (3, 4); 5 (1 to 4); 6 (1, 4); 7 (1, 2, 4); 8 (2 to 4); 9 (3); 10 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 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 to 4); 24 (1 to 4); 25 (1 to 4); 26 (1 to 4); 27 (1 to 4); 28 (1 to 4); 29 (1 to 4); 30 (1 to 4); 31 (1 to 4); 32 (1 to 4); 33 (1 to 4); 34 (1 to 4); 35 (1 to 4); 36 (1 to 4); 37 (1 to 4); 38 (1 to 4); 39 (1 to 4); 40 (1 to 6); 41 (1 to 6); 42 (1 to 7); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 3, 5 to 7); 47 (1 to 7); 48 (1 to 9); 49 (1 to 9); 50 (1 to 9); 51 (1 to 9); 52 (1 to 9); 53 (1 to 9); 54 (1 to 9); 55 (1 to 9); 56 (1 to 9); 57 (1 to 9); 58 (1 to 3)
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
1 to 45
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-04-06
|
|
|
1 to 37, 49 to 58
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-04-06
|
|
|
1 to 35, 57, 58
|
|
|
Portico
|
|
Preserved
|
2026-04-02
|
|
|
Preserved : 1968/1969: 1(1-4), 1969/1970: 2(1-4), 1970/1971: 3(1-4), 1971/1972: 4(1-4), 1972/1973: 5(1-4), 1973/1974: 6(1-4), 1974/1975: 7(1-4), 1975/1976: 8(1-4), 1976/1977: 9(1-4), 1977/1978: 10(1-4), 1978/1979: 11(1-4), 1979/1980: 12(1-4), 1980/1981: 13(1-4), 1981/1982: 14(1-4), 1982/1983: 15(1-4), 1983/1984: 16(1-4), 1984/1985: 17(1-4), 1985/1986: 18(1-4), 1986/1987: 19(1-4), 1987/1988: 20(1-4), 1988/1989: 21(1-4), 1989/1990: 22(1-4), 1990/1991: 23(1-4), 1991/1992: 24(1-4), 1992/1993: 25(1-4), 1993/1994: 26(1-4), 1994/1995: 27(1-4), 1995/1996: 28(1-4), 1996/1997: 29(1-4), 1997/1998: 30(1-4), 1998/1999: 31(1-4), 1999/2000: 32(1-4), 2000/2001: 33(1-4), 2001/2002: 34(1-4), 2002/2003: 35(1-4), 2003/2004: 36(1-4), 2004/2005: 37(1-4), 2005/2006: 38(1-4), 2006/2007: 39(1-4), 2007/2008: 40(1-6), 2008/2009: 41(1-6), 2009/2010: 42(1-7), 2011: 43(1-6), 2012: 44(1-6), 2013: 45(1-6), 2014: 46(1-7), 2015: 47(1-7), 2016: 48(1-9), 2017: 49(1-9), 2018: 50(1-9), 2019: 51(1-9), 2020: 52(1-9), 2021: 53(1-9), 2022: 54(1-9), 2023: 55(1-9), 2024: 56(1-9), 2025: 57(1-9), 2026: 58(1-4)
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-04-06
|
|
|
36 to 56
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-04-06
|
|
|
38 to 48
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
42 (2 to 7); 43 (1 to 6); 44 (1 to 6); 45 (1 to 6); 46 (1 to 7); 47 (1 to 7); 48 (1 to 9); 49 (1, 4, 5, 7); 50 (5, 9); 51 (2, 3, 5 to 9); 52 (1 to 9); 53 (1 to 9); 54 (1 to 9); 55 (1 to 9); 56 (1 to 9); 57 (1)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 1 (1-4); 2 (1-4); 3 (2); 4 (3, 4); 5 (1-3); 6 (1, 4); 7 (1, 2, 4); 8 (2-4); 9 (3); 10 (1-4); 11 (1-4); 12 (1-4); 13 (1-4); 14 (1-4); 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 (1-4); 24 (1-4); 25 (1-4); 26 (1-4); 27 (1-4); 28 (1-4); 29 (1-4); 30 (1-4); 31 (1-4); 32 (1-4); 33 (1-4); 34 (1-4); 35 (1-4); 36 (1-4); 37 (1-4); 38 (1-4); 39 (1-4); 40 (1-6); 41 (1, 3-6); 42 (1-7); 43 (1-5); 44 (1-6); 45 (1-6); 46 (1-7); 47 (1-6); 48 (1-9); 49 (1-9); 50 (1-9); 51 (1-9)
|
|
|
British Library
|
|
Preserved
|
2019-09-18
|
|
|
Preserved : 46 (1 to 7), 47 (1 to 7), 48 (1 to 9), 49 (1 to 9), 50 (1 to 8)
|