Missing year: 1969-1970
Missing month: 1974/11
Missing number: 1968/19, 1968/26, 1968/64, 1968/127, 1968/150, 1968/199, 1968/202-203, 1968/205-208, 1968/214, 1968/229, 1968/263, 1971/4-5, 1971/52, 1971/55, 1971/63, 1971/68, 1971/70, 1971/74, 1971/76, 1971/79-82, 1971/84-90, 1971/92-95, 1971/99-106, 1971/108, 1971/110, 1971/147, 1971/225, 1971/231, 1972/56, 1972/209, 1972/234, 1972/285, 1973/18, 1973/74, 1973/87, 1973/119-120, 1973/168, 1973/170, 1973/180, 1973/218, 1973/239, 1974/62, 1974/127, 1974/258-304, 1975/51, 1975/278, 1975/280, 1976/148, 1976/173, 1976/198, 1976/217, 1976/240, 1976/244, 1976/260