Insignia of rank.
Ottosen, Peter Hill, editor. *“20th”.256E.1 Trench artillery. A.E.F. The personal experiences of lieutenants and captains of artillery who served with trench mortars,
— Boston, Lothrop, Lee & Shepard Co. [1931.] 367 pp. Por- traits. Plates. Plans. Tables. Autograph facsimiles. Colored army insignia. Music. 22% cm.
Map on end-papers.
Preface by Forrest E. Williford.
“The book is a souvenir volume in which is compiled the story of each battery and battalion, written by a junior officer.”
   
This card was printed at the Boston Public Library, May 2, 1932. D200 — T.r. — United States. aS Army and navy. Army. American Expeditionary Forces. European nch mortars. — Insignia of rank.
— Williford, Forrest E., pref.