1968

D66 (1968) Peperbek, jrg. 1. [Journal volume]

1969

D66 (1969) Peperbek, jrg. 2. [Journal volume]

1970

D66 (1970) Peperbek, jrg. 3. [Journal volume]

1971

D66 (1971) Peperbek, jrg. 4. [Journal volume]

1972

D66 (1972) Peperbek, jrg. 5. [Journal volume]

1973

D66 (1973) Peperbek, jrg. 6. [Journal volume]

1974

D66 (1974) Peperbek, jrg. 7. [Journal volume]

1975

D66 (1975) Peperbek, jrg. 8. [Journal volume]

1976

D66 (1976) Peperbek, jrg. 9. [Journal volume]

1977

D66 (1977) Peperbek, jrg. 10. [Journal volume]