Remember 'A Group Show, curated by RE:? They published a book on the occasion of the exhibition, you can buy it here and read more about it in this article I wrote for Rekto:Verso.
Morris and Trasov founded the 'Image Bank' in 1969. Their 'Colour Research' is an ongoing pursuit of over 35 years and represents a significant holding of the Morris/Trasov Archive on which you can find more information here and here.