– Thomas A. Zappetti of Unitron, interview done by Barry Kawa, August 1997, located on Astromart website.
– Peter Indrigo, Senior Vice President, Unitron Corporation, 1982- Present, Email correspondence with Dave Komar, August 12, 2014 (To Be Added)
– Dr James Mullaney, Staff Astronomer, Unitron Company, 1987-88, Email correspondence with Dave Komar, August 15, 2014 (To Be Added)
– Dr James Mullaney, Staff Astronomer, Unitron Company, 1987-88, Email correspondence with Dave Komar, August 17, 2014 (To Be Added)
– Steve Franks, Telescope Dealer, dealt with Unitron 1983-92, Email correspondence with Dave Komar, August 20, 2014: Steve Franks Interview
– John Coyle, Vice President, Sales (1967-1980’s), Unitron Company (Retired), Email correspondence with Dave Komar, August 22, 2014 (To Be Added)
– Martin Cohen, Company Seven, interviewed by Dave Komar, September 12, 2014 (Notes To Be Added)
– John Coyle, Vice President, Sales (1967-1980’s), Unitron Company (Retired), interviewed by Dave Komar, September 15, 2014 (Notes To Be Added)
– John Coyle, Vice President, Sales (1967-1980’s), Unitron Company (Retired), interviewed by Dave Komar, September 17, 2014 (Notes To Be Added)
– John Coyle, Vice President, Sales (1967-1980’s), Unitron Company (Retired), Email correspondence with Dave Komar, September 24, 2014 (To Be Added)
– J.W. Seyfried, President, University Optics, interviewed by Dave Komar, October 1, 2014 (Notes To Be Added)
– John Coyle, Vice President, Sales (1967-1980’s), Unitron Company (Retired), Email correspondence with Dave Komar, October 03, 2014 (To Be Added)
– Mike Specht, Quality Control and Repair (1972-1976), Unitron Company, Interview with Dave Komar, October 13, 2014 (To Be Added)
– Peter Indrigo, Senior Vice President, Unitron Corporation, 1982- Present, Email correspondence with Dave Komar, December 26, 2014 (To Be Added)
– Don Yeier, Vernonscope, Interview with Dave Komar, December 29, 2014 (To Be Added)
– Roland and Majorie Christen, President, Astro-Physics, interview with Dave Komar and Tom Terleski, April 19, 2014
– Larry Hands, Owner, Hands on Optics, interview with Dave Komar, April 19, 2014
– Philip Fine, Son of Lawrence Fine, interview with Dave Komar, January 28, 2016
– Philip Fine, interview with Dave Komar, February 5, 2016
– Thomas Dobbins, Dobbins Instruments, interview with Dave Komar, February 2016