As várias etapas do curtume a vegetal de uma pele animal estão descritas em vários números da newsletter bianual Skin Deep, da Hewit & Sons, publicados entre 1996 e 2000:
Vol.1, 1996:
"The manufacture of leather: part 1" by David Lanning (htm, pdf)
Vol.2, 1996
"The manufacture of leather: part 2" by David Lanning (htm, pdf)
Vol.3, 1997
"The manufacture of leather: part 3" by William McLean (htm, pdf)
Vol.4, 1997
"The manufacture of leather: part 4" by William McLean (htm, pdf)
Vol.5, 1998
"The manufacture of leather: part 5" by Roger Barlee (htm, pdf)
Vol.6, 1998
"The manufacture of leather: part 6" by Roger Barlee (htm, pdf)
Vol.7, 1999
"The manufacture of leather: part 7" by Roger Barlee (htm, pdf)
Vol.8, 1999
"The manufacture of leather: part 8" by Thomas McNeill (htm, pdf)
Vol.9, 2000
"The manufacture of leather: part 9" by Roger Barlee (htm, pdf)
Vol.10, 2000
"The manufacture of leather: part 10" by Roger Barlee (htm, pdf)
E sobre a curtimenta mineral com sais de alumínio:
Vol.11, 2001
"Aluminium tannages" by Roger Barlee (htm, pdf)