William F. Fox, Lt. Col. U. S. V., Regimental Losses in the American Civil War, 1861-1865: A Treatise on the extent and nature of the mortuary losses in the Union regiments, with full and exhaustive statistics compiled from the official records on file in the state military bureaus and at Washington

The 21st, also, lost over ten per cent. in kilied and mortally wounded, it having carried 1,171 names on its rolls. At Chaplin Hills this regiment lost 38 killed, 1003 wounded,¹ and 56 missing; and, at Resaca, 10 killed and 43 wounded.²

The 9th Wisconsin, or “First German,” lost at Jenkins's Ferry 13 killed and 81 wounded;³ the 10th Wisconsin, at Chaplin Hills, 37 killed, 1009 wounded,⁴ and 4 missing, out of 16 officers and 360 men taken into action; the 12th Wisconsin, at Atlanta battle of July 21st and 22d), 42 killed, 147 wounded,⁵ and 20 missing; the 15th,⁶ or “Scandinavian regiment.” at Stone's River, 15 killed (including the Lieutenant-Colonel,) 70 wounded,⁷ and 34 missing, and at Chickamauga, 13 killed (including Colonel Heg), 53 wounded,⁸ and 45 missing; the 20th, at Prairie Grove, 500 killed, 154 wounded,⁹ and 13 missing; the 22d, at Resaca, 11 killed, 56 wounded, and 1 missing; the 29th, at Champion's Hill, 19 killed, 92 wounded,¹⁰ and 2 missing, and, at Port Gibson, 10 killed and 65 wounded. The 11th Wisconsin Battery was also known as Battery L, 1st Illinois Light Artillery.