Minerals of the Grenville ProvinceGeorge W. Robinson, Jeffrey Chiarenzelli, T. Scott Ercit, Michael Bainbridge · First published 2019Open the Tome
Collector's Guide to the Black Tourmaline of Pierrepont, New YorkSteven C. Chamberlain, George Robinson, Michael Walter, Jeffrey Chiarenzelli · First published 2016Open the Tome
