Concept
Version 12
Created by Boundless
Monarchy
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Elizabeth II greets NASA GSFC employees, May 8, 2007 edit."
http://commons.wikimedia.org/wiki/File:Elizabeth_II_greets_NASA_GSFC_employees,_May_8,_2007_edit.jpg
Wikimedia
Public domain.