From the description of Release of Ranger Program Information via the Mass Media : teletype William H. Pickering, 1964 Aug 25. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733099434
Hilburn was Deputy Associate Administrator for Industry Affairs.
From the description of Ranger 6 Review Board : memo to Eugene E. Dangle, Walter Jakobowski, Herman E. LaGow, and Francis B. Smith, 1964 Feb 3. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098465From the description of NASA's request for JPL reorganization : letter to Robert B. Gilmore, Vice President for Business Affairs, California Institute of Technology, 1964 Feb 27. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098501From the description of NASA Administrator Webb's news conference of 1964 Apr 15 : cover letter to Arnold O. Beckman, President, Beckman Instruments, Inc., 1964 Apr 17. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098528
Hilburn was Deputy Associate Administrator.
From the description of Ranger Buy-Off Board Meeting, July 25 : memo to NASA Associate Administrator for Space Science and Applications, 1964 Jul 22. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098580From the description of Buy-Off of Ranger-7 at JPL : memo to NASA Associate Administrator, 1964 Jun 17. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098569From the description of Technology Utilization Review and Analysis of Ranger - Block III : memo to Deputy Associate Administrator for Industry Affairs, 1964 Oct 28. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098611From the description of "Buy-Off" of Ranger 7 at JPL : memo to Associate Administrator, 1964 Jun 17. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733099499
Hilburn was Chairman of the Ranger 6 Review Board.
From the description of Ranger 6 Review Board : memo to Eugene Dangle, NASA; Walter Jakobowski, NASA; Herman LaGow, Goddard Space Flight Center; Francis Smith, Langley Research Center, 1964 Feb 3. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733100449
Hilburn was Deputy Associate Admministrator for Industry Affairs.
From the description of Suggestions Relative to the Future Handling of the Ranger / Surveyor/Mariner Projects : memo to Dr. Robert Seamans, Associate Administrator, NASA, 1964 Mar 20. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733099437
Hilburn was acting Associate Administrator.
From the description of Release of Information about Ranger Program Via Mass Media : letter to William H. Pickering, JPL Director, 1964 Aug 25. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733099504
Hilburn was Deputy Associate Administrator for Industry Affairs and Chairman of the Ranger 6 Review Board.
From the description of Ranger 6 Report : letter to Donald F. Hornig, Director of the Office of Science and Technology, Executive Office of the President, 1964 Apr 9. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733100518From the description of Suggestions Relative to the Future Handling of the Ranger, Surveyor, Mariner Projects : memo to Robert C. Seamans, Jr., NASA Associate Administrator, 1964 Mar 20. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733100512
Hilburn was Acting Associate Administrator.
From the description of Brilliant Finish to a Most Successful Program : teletype to William H. Pickering, JPL Director, 1965 Mar 24. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733099524From the description of Congratulations on Ranger : teletype to William H. Pickering, JPL Director, 1965 Mar 24. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098958From the description of Release of scientific results via the mass media : teletype to William H. Pickering, JPL Director, 1964 Aug 25. (Jet Propulsion Laboratory Library and Archives). WorldCat record id: 733098588