Gettysburg battle field commission of Michigan. *“20th".60.118=*4320.117 Trowbridge, L.S., and Farnsworth,Frederic E. Michigan at Gettysburg, July lst, 2nd, and Srd, 1863. June l2th, 1889. Proceedings incident to the dedication of the Michigan monuments. With a report of the monument commission. Detroit. Winn & Hammond, prs. 1689. 173, (iv) pp. Portraits. Maps. Plates. 8°.