Elements of Engineering Geology, by H. Ries and Thomas L. WatsonHeinrich Ries, Thomas Leonard Watson · First published 1921 · Latest edition 2018Open the Tome
Building Stones and Clay-Products; a Handbook for ArchitectsHeinrich Ries · First published 2007Open the Tome
The clays and shales of Virginia west of the Blue ridgeHeinrich Ries · First published 1920Open the Tome
The clay and shale deposits of Nova Scotia and portions of New BrunswickRies, Heinrich · First published 1911Open the Tome
