New Conceptions In Colloidal ChemistryHerbert Freundlich · First published 1926 · Latest edition 2018Open the Tome
The Elements of Colloidal ChemistryHerbert Freundlich · First published 1925 · Latest edition 2018Open the Tome
Die Grundlagen der einsteinschen GravitationstheorieErwin Freundlich · First published 1920Open the Tome