References for John Pratt

1. J H Manheim, Biography in Dictionary of Scientific Biography (New York 1970-1990).
   http://www.encyclopedia.com/doc/1G2-2830903503.html
2. Biography by Anita McConnell, in Dictionary of National Biography (Oxford, 2004).

Articles:

3. John Henry Pratt, Dictionary of National Biography XLVI (London, 1896), 294.
4. John Henry Pratt, The Times (1 January 1872)

February 2005