From the Photo book: Michigan Volunteers of '98: A Complete Photographic Record of Michigan's Part in the Spanish-American
War of 1898. Published by G.F. Sterling & Co, Detroit, Mich, 1898. Officers of the 35th Regiment Michigan Volunteers on horseback: Top Left: Gen'l White (W.L. White) Top right: Adjt. Idema
(1st Lt. Frank H. Idema, Adjt.) Bottom Left: Dr. Grube (Capt. A.J. Grube) Bottom
Right: Capt. M'Donald (Wm. D. McDonald)