|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 1 (1 to 4); 2 (, 1, 2, 3-4); 3 (, 1-4); 4 (, 1-2, 3-4); 5 (, 1-6); 6 (, 1, 2-3); 7 (, 1-3); 8 (, 1-3, 4); 9 (, 1, 2-3, 4); 10 (, 1, 2-3); 11-13; 14 (1 to 4); 15 (, 1 to 4); 16 (, 1, 2-3, 4); 17 (, 1, 2-3, 4); 18 (, 1-4); 19 (, 1-3, 4); 20 (, 1 to 4); 21 (, 1-3, 4); 22 (, 1 to 4); 23 (, 1, 2, 3-4); 24 (, 1-3, 4); 25 (, 1, 2, 3-4); 26 (, 1, 2, 3-4); 27 (, 1, 2, 3-4); 28 (, 1-2, 3, 4); 29 (, 1-2, 3-4); 30 (, 1 to 4); 31 (, 1-3, 4); 32 (, 1-2, 3-4); 33 (, 1-2, 3, 4); 34 (, 1, 2, 3-4); 35 (, 1 to 4); 36 (, 1-2, 3, 4); 37 (, 1, 2-4, 5, 6); 38 (, 1-2, 3, 4-6); 39 (, 1 to 6); 40 (, 1, 2-5, 6); 41 (, 1-2, 3-4); 42 (, 1 to 4); 43 (, 1 to 4); 44 (, 1, 2_suppl, 3-4); 45 (, 1, 2, 3-4); 46 (, 1, 2, 3-4); 47 (, 1, 2, 3-4); 48 (, 1, 2-3, 4); 49 (, 1_suppl, 2 to 4); 50 (, 1_suppl, 2 to 4); 51 (, 1-2, 3, 4); 52 (, 1-2, 3, 4); 53 (, 1-2, 3); 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1991; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
1 to 11, 14 to 42
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1977: 1(1-4), 1978/1979: 2(1-4), 1979: 3(1-4), 1980: 4(1-4), 1981: 5(1-6), 1981: 6(1-3), 1982: 7(1-3), 1982: 8(1-4), 1982: 9(1-4), 1983: 10(1-3), 1983: 11-13, 1983: 11(Part 1, Part 2), 1984: 14(1-4), 1985: 15(1-4), 1986: 16(1-4), 1987: 17(1-4), 1987: 18(1-4), 1988: 19(1-4), 1989: 20(1-4), 1991: 21(1-4), 1991: 22(1-4), 1993: 23(1-4), 1994: 24(1-4), 1995: 25(1-4), 1996: 26(1-4), 1997: 27(1, S 1, 2-4, ), 1998: 28(1-2, S 1, 3-4), 1999: 29(1-4), 2000: 30(1-4), 2001: 31(1-4), 2002: 32(1-4), 2003: 33(1-4), 2004: 34(1-4, S), 2005: 35(1-4), 2006: 36(1-4), 2007: 37(1-6), 2008: 38(1-6), 2009: 39(1-6), 2010: 40(1-6), 2012: 41(1-2, S 1, 3-4), 2013: 42(1-4)
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
30 to 32
|
|
|
CLOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
30 to 35, 37 to 42, 45 to 53
|
|
|
LOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
33 to 53
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
36, 43, 44
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
4 to
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1964: Original Series, 4(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1965/1982: 7(1-3), 1965: OS_7(1), 1965: OS_8(1), 1965/1982: 8(1-4), 1982: 9(1-4), 1965: OS_9(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1971: OS_17(1-2)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1977: 1(1-4), 1959: OS_1(1), 1960: OS_2(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1978/1979: 2(1-2), 1960/1979: 3(1-4, 3-4), 1960: OS_3(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1980: 4(1-4), 1964: OS_5(1), 1964/1981: 5(1-6), 1981: 6(1-3), 1964: OS_6(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1983: 10(1-4), 1968: OS_10(1), 1983: 11(1), 1967: OS_11(1), 1968: 12(1), 1968: OS_12(1), 1968: 13(1), 1968: OS_13(1), 1969: OS_14(1), 1969/1984: 14(1-4), 1969: OS_15(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1985: 15(1-4), 1986: 16(1-4), 1969: OS_16(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1987: 17(1-4), 1972/1987: 18(1-4), 1972: OS_18(1), 1972/1988: 19(1-4), 1972: OS_19(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1989: 20(1-4), 1973: OS_20(1), 1973/1991: 21(1-4), 1973: OS_21(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1991: 22(1-4), 1973: OS_22(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1993: 23(1-4), 1975: OS_23(1)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1994: 24(1-4), 1995: 25(1-4), 1996: 26(1-4), 1997: 27(1, 1, S, 2-4), 1998: 28(1-4), 1999: 29(1-4), 2000: 30(1-4), 2001: 31(1-4), 2002: 32(1-4), 2003: 33(1-4), 2004: 34(1-4), 2005: 35(1-4), 2006: 36(1-4), 2007: 37(1-6), 2008: 38(1-6), 2009: 39(1-6), 2010: 40(1-6), 2012: 41(1-4), 2013: 42(1-4), 2014: 43(1-4), 2015: 44(1, 1, S, 2, 2, S, 3-4), 2016: 45(1, 1, S, 2, 2, S, 3-4), 2017: 46(1-4), 2018: 47(1-4), 2019: 48(1-4), 2020: 49(1, 1, S, 2-4), 2021: 50(1, 1, S, 2-4), 2022: 51(1-4), 2023: 52(1-4), 2024/2025: 53(1, S, 1-6)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : OS_17 (2); 1 (1-4); 2 (1, 2, 3-4P1); 3 (1-4, 3-4); 4 (1-2, 3-4); 5 (1-6); 6 (2-3); 7 (1-3); 8 (4); 9 (1, 2-3, 4); 10 (1, 2-3); 11-13 (P1); 11 (1); 14 (2-4); 15 (1-4); 16 (1, 2-3, 4); 17 (1, 2-3, 4); 18 (1-4); 19 (4); 20 (1-4); 21 (1-3, 4); 22 (1-4); 23 (1, 2, 3-4); 24 (1-3, 4); 25 (1, 2, 3-4); 26 (1, 2, 3-4); 27 (S1, 1, 2, 3-4); 28 (S1, 1-2, 3, 4); 29 (1-2, 3-4); 30 (1-4); 31 (1-3, 4); 32 (1-2, 3-4); 33 (1-2, 3, 4); 34 (S, 1, 2, 3-4); 35 (1-4); 36 (1-2, 3, 4); 37 (1, 2-4, 5, 6); 38 (1-2, 3, 4-6); 39 (1-6); 40 (1, 6); 41 (S1, 1-2, 3-4); 42 (1-4); 43 (1-4); 44 (1, 2, 3-4); 45 (1, 2_suppl, 3-4); 46 (1, 2, 3-4); 47; 48 (1); 57 (3-4)
|
|
|
Library of Congress
|
|
Preserved
|
2025-04-07
|
|
|
40 (1, 2-5, 6); 41 (1-2, 3-4); 42 (1 to 4); 43 (1 to 4); 44 (1_suppl, 2_suppl, 1, 3-4); 45 (1_suppl); 46 (2, 3-4); 47 (1 to 3-4); 48 (1, 2-3, 4); 49 (1_suppl, 1 to 4); 50 (1_suppl, 1 to 4); 51 (1-2, 3, 4); 52 (1-2, 3, 4)
|
|
|
British Library
|
|
Preserved
|
2019-09-18
|
|
|
Preserved : 43 (1 to 4), 44 (1 to 2), 45 (1 to 2), 46 (1 to 2), 47 (1 to 2)
|
