There are a few reports mentioning Gen. Gray in the Official Records, Vol. 34, parts 1, 2, & 3., Red River Campaign

George Martin

GENERAL ORDERS No. 15.

HDRS. TRANS-MISSISSIPPI DEPARTMENT,

Shreveport, La., April 15, 1864.

Col. Henry Gray, Twenty-eighth Regiment Louisiana Infantry, is appointed brigadier-general, to date from April 8, 1864.

By command of General E. Kirby Smith:

S.S. ANDERSON,
Assistant Adjutant-General. [OR V34 Pt. 3, p. 768]