Len's Summary: Color photos of the 21 original and reproduction aircraft in the Aeroplane Collection of Paso Robles, California. Markanna's color portraits are accompanied by vintage archival prints of the same aircraft types. Markanna's earlier work has concentrated on World War Two aircraft.
Ambassador Shurtleff, a retired American Foreign Service officer who served as President of The World War One Historical Association and as a past President of The Western Front Association – U S Branch, passed away on January 22, 2014. The searchable version of Len’s Bookshelf was created and will be maintained in his honor.