|
|
Scholars Portal
|
|
Preserved
|
2025-09-02
|
|
|
Preserved : 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 3, 4-5, 6 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 12); 31 (, 1 to 12); 32 (, 1 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 12); 42 (, 1 to 12); 43 (, 1, 2, 3-4, 5 to 8, 9-10, 11, 12); 44 (, 1 to 3, 4-5, 6 to 10, 11-12); 45 (, 1 to 3, 4-5, 6, 7-8, 9 to 12); 46 (, 1 to 6, 7-8, 9 to 12); 47 (, 1 to 12); 48 (, 1 to 5, 6-7, 8 to 12); 49 (, 1 to 12); 50 (, 1 to 12, 18); 51 (, 1 to 12); 52 (, 1 to 12); 53 (, 1 to 12); 54 (, 1 to 12); 55 (, 1 to 12); 56 (, 1 to 9, 10-11, 12); 1960; 1961; 1962; 1963; 1964; 1965; 1966; 1967; 1968; 1969; 1970; 1971; 1972; 1973; 1974; 1975; 1976; 1977; 1978; 1979; 1980; 1981; 1982; 1983; 1984; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006
|
|
|
Internet Archive
|
|
Preserved
|
2025-08-08
|
|
|
16 to B 26
|
|
|
LOCKSS Archive
|
|
In Progress
|
2026-02-09
|
|
|
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1962: 12(3)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1996: 46(S 1, S 3, S 5)
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 1997: 47(12), 1998: 48(3, 5-8, 10), 1999: 49(1, S 2, 6-8, 11), 2000: 50(S 2, S 3, 6, 8), 2001: 51(4, 7), 2002: 52(S 1, 5, 10-11)
|
|
|
CLOCKSS Archive
|
|
Preserved
|
2026-02-09
|
|
|
47 to 52, 54, 55
|
|
|
Portico
|
|
Preserved
|
2026-02-12
|
|
|
Preserved : 2004: 54(2, 4, 7, 12), 2005: 55(S 1, 7-8, 11), 2006: 56(1, 3, S 4, 7-8)
|
|
|
National Library of the Netherlands
|
|
Preserved
|
2024-12-15
|
|
|
Preserved : 47 (1-12); 48 (1-6, 8-12); 49 (1-12); 50 (supplement-3, 1-12, 18); 51 (1-12); 52 (1-12); 53 (1-12); 54 (supplement-3, 1-12); 55 (5-12); 56 (1-6, 9, 10-11, 12); 69 (15)
|
