Sources

=Sources=

Artifact 1: http://www.flickr.com/photos/publicresourceorg/493995970/in/photostream/ Artifact 2: http://memory.loc.gov/cgi-bin/query/i?ammem/manz:@field(NUMBER%2B@band(ppprs%2B00087)):displayType=1:m856sd=ppprs:m856sf=00087

Artifact 3: http://memory.loc.gov/cgi-bin/query/i?ammem/manz:@field%28NUMBER%2B@band%28ppprs%2B00196%29%29:displayType=1:m856sd=ppprs:m856sf=00196

Artifact 4: http://youtu.be/ufoUtoQLGQY