From English Wiki: Map of West Florida in 1767. Cropped from map at [1]. Perry-Castañeda Library Map Collection. . https://creativecommons.org/publicdomain/mark/1
wordmark.svg. Available at:
http://commons.wikimedia.org/wiki/File:Boeing_wordmark.svg [Accessed 30
July 2011]
H B et al (2003) File:SED Logo.svg. Available