Wytheville (Va.) -- History -- Videodiscs. : The polio crusade [(DVD) videorecording] / a Sarah Colt Productions film for American Experience ; written, produced and directed by Sarah Colt.
2009
1
X-15 (Rocket aircraft) : X-15 diary : the story of America's first spaceship [Hoopla electronic resource] / Richard Tregaskis.
2016
1
X-32 (Jet fighter plane) : Battle of the X-planes [(DVD) videorecording] / produced and directed by Michael Jorgensen ; a Nova Production by Myth Merchant Films for WGBH/Boston ; telescript by Daniel McCabe ; story by Michael Jorgenson, Neil Thomas.