Spamer, E. E., 2019. Bibliography of Paleontology of
the Grand Canyon Region and in the Continuity of
Grand Canyon Formations. Ravem Perch Media.
https://ravensperch.org/bibliography-of-paleontology-of-the-grand-canyon-region/
https://www.academia.edu/39128385/Bibliography_of_Paleontology_of_the_Grand_Canyon_Region_and_in_the_Continuity_of_Grand_Canyon_Formations
https://amphilsoc.academia.edu/EarleSpamer
Spamer, E.E., 1984, Paleontology in the Grand Canyon
of Arizona: 125 years of lessons and enigmas from the
late Precambrian to the present: Mosasaur (Journal of
the Delaware Valley Paleontological Society), v. 2, p. 45-128.
https://sites.google.com/site/dvpspaleo/home/the-mosasaur/Mosasaur-Vol2-1984-Spammer-GrandCanyon-45-128.pdf
https://sites.google.com/site/dvpspaleo/home/the-mosasaur/
https://www.academia.edu/36824895/Paleontology_in_the_Grand_Canyon_of_Arizona_125_Years_of_Lessons_and_Enigmas_from_the_Precambrian_to_the_Present
On a lighter note:
Spamer, E.E., 1955. The Okamura Fossil Laboratory.
The Annals of Improbable Research. v. 1, no. 4, pp. 4-9.
https://www.academia.edu/36778876/The_Okamura_Fossil_Laboratory_and_Was_Darwin_nearly_right
Yous,
Paul H.