- Slater, Don (red.); MacAlbert, Leo; Amoss, Craig … Tangents : Volume I number 5 February 1966 1966
- Slater, Don (red.); Hayman, Dick; Sandiford, Francis … Tangents : Volume II number 1 October 1966 1966
- Slater, Don (red.); Whittington, Gale; amoss, craig … Tangents : Volume IV numbers 1-3 Oct.-Dec. 1969 1969
![Der Kreis = Le cercle = The circle
Rolf [pseud. för Meier, Karl] (red.); Norbert [pseud.]; Bishop, Donald …
1962 Bokframsida](resource/bokbild/02640_small.jpg)