Morton was the author or co-author of 282 scientific publications and several books. These included:
* RA Morton (1975) Biochemical Spectroscopy, two volumes
* RA Morton (1969) The Biochemical Society: its history and activities 1911-1969
*R A Morton (1942) Absorption spectra of Vitamins and Hormones
He was also the author of publications in Welsh including:
* (1965) Agweddau cemegol ar weled  (Chemical aspects of sight) Y Gwyddonydd 3 issue 2