A Text-book of Tanning: A treatise on the conversion of skins into leather, both practical and theoreticalH. R. Procter
A Text-book of Tanning: Enriched edition. A treatise on the conversion of skins into leather, both practical and theoreticalH. R. Procter
The Principles of Leather Manufacture: Enriched edition. Mastering Leather Production: Techniques and Processes UnveiledH. R. Procter