NETS 2012 presentation: http://www.lpi.usra.edu/meetings/nets2012/pdf/3082.pdf
Von Braun Symposium 2009: http://www.astronautical.org/sites/default/files/vonbraun/2009/Von_Braun_Symposium_2009-10-21_7b_White.pdf
Space Times 2009 write-up, starts page 8: http://www.astronautical.org/sites/default/files/spacetimes/spacetimes_48-6.pdf
STAIF 2007 Presentation: http://forum.nasaspaceflight.com/index.php?action=dlattach;topic=13020.0;attach=173105
Harold White’s papers at the NASA Technical Reports Server:
IXS Enterprise, based on Sonny’s Warp concepts
Eagleworks/Warp-Drive Papers:
Eagleworks Laboratories: Advanced Propulsion Physics Research
100 YSS 2011 Paper: Warp Field Mechanics 101
100 YSS 2012 Paper: Warp Field Mechanics 102: Energy Optimization
Mainstream NASA Papers:
Spacecraft Applications for Aneutronic Fusion and Direct Energy Conversion
Technology Area Roadmap for In Space Propulsion Technologies (1)
Technology Area Roadmap for In-Space Propulsion Technologies (2)
Roadmap for In-Space Propulsion Technology