Writer and naturalist Henry Beston Sheahan was a member of SSU 2 of the American Field Service in World War I.  Sheahan's book A Volunteer Poilu was written about his experience while with the AFS.  After the war Sheahan wrote under the pen name Henry Beston.  His most famous work, The Outermost House, is pictured above, bottom left, inscribed to Andrew.  In his position as a US Congressman Andrew was able to assist Beston in his requests for "scientific studies published at Washington" while researching for this book.   Also pictured at the top left of the photo is Beston's copy of Letters Written Home From France inscribed by Andrew to Beston.  The book at the right is Andrew's copy of The Book of Gallant Vagabonds.