References for John Collins

1. D T Whiteside, Biography in Dictionary of Scientific Biography (New York 1970-1990).
   http://www.encyclopedia.com/doc/1G2-2830900953.html

Articles:

2. H S Allen, James Gregory, John Collins, and Some Early Scientific Instruments, Nature 121 (1928), 456.
3. A R Hall, John Collins on Newton's telescope, Notes and Records Roy. Soc. London 49 (1) (1995), 71-78.
4. John Collins, Dictionary of National Biography 4 (1917), 824-5.
5. C Hutton, John Collins, A Mathematical and Philosophical Dictionary I (London, 1795).
6. H W Turnbull, James Gregory Memorial Volume (London, 1939), 16-18.

October 1998