Home › Authors › Robert H. Riddell 👤 Robert H. Riddell 6 books Books by Robert H. Riddell Atlas of Intestinal Pathology : Volume 1 2019 Tumors of the Intestines (Atlas of Tumor Pathology (AFIP) 3rd Series) 2003 Diseases of the gastrontestinal tract 1991 Dyspasia and Cancer in Colitis 1991 Dysplasia & Cancer Colitis Dysplasia & Cancer Colitis 1991 Pathology of drug-induced and toxic diseases 1982