From the description of Ranger Block V Status Report : letter to N.W. Cunningham, NASA Ranger Program Chief, 1963 Sep 26. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733095785From the description of Block V Status Report : letter to N.W. Cunningham, NASA Ranger Program Chief, 1963 Sep 26. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098094
Robillard was Project Manager of Ranger Block V.
From the description of Formation of Ranger Block V Mission Analysis Panel : letter to V.W. Howard, Northrop Space Laboratories, 1963 Sep 17. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733095437