The War of the Rebellion: A Compilation of the Official Records
of the Union and Confederate Armies.. 1880/1901
Chapter VI - The Secession of Louisiana. Jan. 10-Feb. 19, 1861.
Baton Rouge, January 10, 1861.
The barracks and arsenal at this place were surrendered this afternoon at 5 p.m., upon demand of the governor of the State, backed by a very superior force. Instructions asked where to proceed.
J. A. HASKIN
Brevet Major, U. S. Army.
Col. S. Cooper, Adjutant-General U. S. Army, Washington, D. C.
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Haskin to Cooper, January 10, 1861., in The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies…, 1880/1901, Series 1, Vol. 1, Chapter VI. (PDF)