Practical Treatise on the Manufacture of Soap and CandlesWilliam Theodore Brannt, Carl Deite, Alwin Engelhardt · First published 2022Open the Tome
The Soap Maker's Handbook of Materials, Processes and Receipts for Every Description of SoapCarl Deite, Alwin Engelhardt · First published 2018Open the Tome
Handbuch der praktischen Toiletteseifen-FabrikationAlwin Engelhardt · First published 1888Open the Tome
