Bestand
3-4.1966-67,47,54,62-130; 4-6.1967-69,131-193,195-200; 6-7.1969-70,201-248,250,252-264,266-270; 7-9.1970-72,280,282,286-290,292-301,303-305,307-312,314-316,318-332,336,339-343,345-351,353,357-358; 18.1982,11,12; 19.1983,1,2,5-9,11,12; 20.1984,3-6,8,10,12; 1985,9-11; 1986,1,6,7; 1988,3,4,6