La fabrication et le commerce des cuirs et des peaux par Vincent (1872)

Vincent, Charles; La fabrication et le commerce des cuirs et des peaux, Paris, Bureaux au Journal la Halle aux cuirs (1872).

URL (Gallica)

"The repair of an Alaskan Inupiaq sealskin mat with Lascaux 360 HV and 498 HV" by Lukezic (2014)

Francis Lukezic, "The repair of an Alaskan Inupiaq sealskin mat with Lascaux 360 HV and 498 HV", in Current Solutions for Mutual Issues: postprints from the Book and Paper Group’s sessions at the Icon Positive Futures conference, 10-12 April 2013, Glasgow (2014) pp. 53-55.
PDF (The Book & Paper Gathering)

The tanner’s key to a new system of tanning sole leather by Burridge (1824)

John Burridge, The tanner’s key to a new system of tanning sole leather, or, The right use of oak bark, London (1824).
URL (InternetArchive)