Below is a list of off-site locations the site administrator also keeps that are likely of interest to the Liaison student:
Flickr
Below is a Lbirds.com gallery collection of related and interesting photos on Flickr! 
Facebook
This Facebook page was started by Lbirds.com while we were on the platform and is currently under the direction of Gerry Asher:
https://www.facebook.com/groups/LiaisionAircraftHistoryandPreservation/