- 1997 March 21:
- Added link to Astronomy
magazine's Tombaugh obituary
- 1997 February 7:
- Corrected link for The Discovery of Pluto site.
- Added a link to ICSTARS Clyde Tombaugh Page
- 1997 February 5:
- Added link to Lowell Observatory Observation Circular, a JPEG image of the obsevratory's announcement of the discovery.
- Added link to Astronomy Picture of the Day for February 4, 1997, which featured Clyde Tombaugh.