Americabymotorcyclebook.com
The 1918 Salmson 2A2 by thegreatlandoni on Flickr.
1917 Breguet Br.14 Planes by thegreatlandoni on Flickr.
A WWI Aeroplane … An American-Built DH-4 by thegreatlandoni on Flickr.
WW1 era motorcycles by Martin Hronský on Flickr.
  by nelnov on Flickr.

by nelnov on Flickr.

Navy dirigible, Long Island by amphalon on Flickr.
66 Buick Riviera GS by Cauldron Graphix on Flickr.