NOTE: References which are hyperlinked below are included in this site. Click on the hyperlink.

General Breckon, R. (2009).
The 1897 and 1900 Charity Stamps of the Australian Colonies,
Gibbons Stamp Monthly, February, pp. 125-129.
Excellent summary of the main aspects of the four Charity issues.
  Hall, R. (2010) Philately of Switzerland,
American Helvetia Philatelic Society, Asheville: North Carolina.
A complete and wonderfully illustrated chapter in an excellent book on Swiss Philately in which the background of the Swiss Pro-Juventute issues is described.
New South Wales Bell, J. (2005). The use of lithography in New South Wales stamps & postal stationery,
Sydney Views, No, 89, November, 16 – 18.
Contains a note about the lithographic printing of the Charity Hospital stamps.
  Bell, J. (2007).
Specimen stamps,
Sydney Views
  Pearn, J. (1987) Phthsis and Philately,
The Medical Journal of Australia, 147, pp. 575-578.
Reprinted in Sydney Views, May 1988, No. 19. pp. 3 - 9.
A very informative description of the establishment and development of the Queen Victoria Homes for Consumptives Fund as well as an overview of the stamps themselves.
  Sheppard, N. (1979)   N.S.W. Philatelist, October, 10-20. A very detailed analysis of plating the NSW 1d (1/-) stamp which is modified and extended in this site.
Queensland Breckon, R. (1985) The Boer War Charity Stamps.
Stamp News, December, P. 30.
    The Queensland Mounted Infantry.
The Navy and Army Illustrated, 20 January 1900, p. 469.
A contemporary glimpse of the Queensland Contingent.
  Scuder, Kenneth F. (2013) Queensland Postage Stamps: 1879 to 1912, Melbourne: The Royal Philatelic Society of Victoria Inc. The definitive book of Queensland postage stamps. Chapter XVIII discusses the Boer War issues.
Victoria Kellow. G. (1990) The Stamps of Victoria,
Melbourne: B & K Philatelic Publishing.
The outstanding book on stamps issued for Victoria. The detailed information about the two Charity issues is on pp. 281-283.