I am trying to identify the commanders of the following Union organizations raised in Arkansas:

1st Regiment Arkansas Volunteer Infantry (African Descent) later the 46th U.S. Colored Troops
2nd Regiment Arkansas Volunteer Infantry (African Descent) later the 54th U. S. Colored Troops
3rd Regiment Arkansas Volunteer Infantry (African Descent) later the 56th U.S. Colored Troops
4th Regiment Arkansas Volunteer Infantry (African Descent) later the 57th U.S. Colored Troops
5th Regiment Arkansas Volunteer Infantry (African Descent) later the 112th U.S. Colored Troops
6th Regiment Arkansas Volunteer Infantry (African Descent) later the 113th U.S. Colored Troops
1st Battery, Arkansas Light Artillery (African Descent) later the Battery "H," 2nd U.S. Colored Light Artillery