Home / Reference Books / 1917 Field Service Pocket Book – United States Army 1917 Field Service Pocket Book – United States Army$15.00 1917. Softcover. Very good condition, shows minor wear. Measures approximately 4-1/4″ X 5-3/4″. 385 pages. 1917 Field Service Pocket Book - United States Army quantity Add to cart Item Number: 47143 Category: Reference Books