Princeton Public Library, NJ:
William Rosen talked at the PPL
Princeton Public Library, NJ:
William Rosen at the Princeton Public Library
Princeton Public Library, NJ:
CSPAN Cameraman
Princeton Public Library, NJ:
William Rosen being filmed for CSPAN's BookTV
Princeton Public Library, NJ:
Cameraman for CSPAN
Princeton Public Library, NJ:
William Rosen signing copies of The Most Powerful Idea In the World
Princeton Public Library, NJ:
Author William Rosen at the PPL
Princeton Public Library, NJ:
The Most Powerful Idea in the World by William Rosen