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Goldstein-Lynch, Ellen; Sarah Mullins; Nicole Malone (2004). Making Leather Handbags and Other Stylish Accessories. Quarry Books. p. 128. ISBN 1-59253-076-1
Kite, Marion; Roy Thomson (2005). Conservation of Leather and Related Materials. Butterworth-Heinemann. p. 240. ISBN 0-7506-4881-3. https://archive.org/details/conservationleat00kite
Michigan Historical Reprint Series (2005). The art of tanning leather. Scholarly Publishing Office, University of Michigan Library. p. 266. ISBN 1-4255-2365-X
O'Flaherty, Fred; Roddy Lollar (1956). The Chemistry and Technology of Leather. ACS Monograph 134 (1978 ed.). American Chemical Society, Krieger Publishing Co. ASIN B007EUI5M4