Gassan، Arnold (1965). Plastic Relief Painting Exhibition. Jack Hooper – Roland Reiss – Terry Krumm – De Wain Valentine. Boulder: Colorado Memorial Center Art Gallery. ص. 4. ASIN:B002ROFA98.
worldcat.org
Von Hartmann، Gene (1975). "Introduction". Jack Hooper: Works from the Jane and Peter G. Arnovick Collection with Additional Works Lent by the Artist. Felton, CA: Big Tree Press. ص. 9–10. OCLC:21545828. {{استشهاد بكتاب}}: |عمل= تُجوهل (مساعدة)
