The printable transcript document for 7.8 Discharge Printing can be foundĀ here
This extract from Chapter 6 of the book “Textile Printing”, edited by Leslie W C Miles provides a comprehensive introduction to the process of Discharge Printing (Revised 2nd edition, 2003 Society of Dyers and Colourists, ISBN 0 901956 79 1).
This Paper from Krug (JSDC, 69, 1953, pp 606-611) focuses on Thiourea Dioxide as a reducing agent for textile printing.
This Paper from Hannay (JSDC, 76, January 1960, pp 11-15) discusses Recent Advances in Textile Printing with special reference to Calcium Sulphoxylate Formaldehyde.