Bucher, Kurt, and R. H. Grapes, Petrogenesis of Metamorphic Rocks, 8th Edition (Heidelberg: Springer, 2014)
Frost, Bryce Ronald, and Carol D. Frost, Essentials of Igneous and Metamorphic Petrology, 2nd Edition (Cambridge: Cambridge University Press, 2019)
MacKenzie, W. S., and A. E. Adams, A Colour Atlas of Rocks and Minerals in Thin Section (London: Manson Pub, 1994)
‘Minerals and Molecules Project | Virtual Museum’ <https://virtual-museum.soils.wisc.edu/displays/>
Railsback, L. Bruce, ‘A Synthesis of Systematic Mineralogy’, American Mineralogist, 90.7 (2005), 1033–41
‘Subcommission on the Systematics of Metamorphic Rocks (SCMR) | British Geological Survey’ <https://web.archive.org/web/20160303183328/http://www.bgs.ac.uk/scmr/>
‘Virtual Microscope’ <http://www.virtualmicroscope.org/explore>
Yardley, Bruce W. D., ‘Metamorphism of Pelitic Rocks’, in An Introduction to Metamorphic Petrology (Harlow: Longman Scientific & Technical, 1989), pp. 60–90
