1st/3rd Consolidated Regiment, Missouri Cavalry - Confederate
The book "Units of the Confederate States Army" by Joseph H. Crute, Jr. contains no history for this unit. 
Another source says they were led by Colonel Elijah Gates.
In the Unit history by Joseph H. Crute, Jr. said they were consolidated November 1863. Consiting of 81 officers and about 185 men. They were assigned to General Cockrell's Brigade. They reported 25 killed 80 wounded 3 missing and 56 disables, there were few to surrender in May 1865.
Companies in this Regiment with the Counties of Origin
Most of the records in this section are of the index chards with the exception of those where the individual were listed as being Prisoners of War (POW)
Company A - 1st Lieutenant John G. Kelly
Company B - Captain Logan Enyart
Company C - 1st Sergeant C. Algo
Company D - 1st Sergeant C. Alges
Company E - Captain John Patton
Company F - Captain Harris Wilkerson
Company G - Captain William C. Aldrich
Company H - Captains J. W. Adams and Alexander F. Barnes
Company I - 1st Lieutenant Arthur McCauly
Company K - 1st Lieutenant Harry J. Anderson
The above information about the companies with partial rosters is found in Kenneth E. Weant's book, Civil War Records Missouri Confederate Cavalry, Volume 1
- Beginning United States Civil War Research gives steps for finding information about a Civil War soldier or sailor. It covers the major records that should be used. Additional records are described in 'Missouri in the Civil War' and 'United States Civil War, 1861 to 1865' (see below).
- National Park Service, The Civil War Soldiers and Sailors System, is searchable by soldier's name and state. It contains basic facts about soldiers on both sides of the Civil War, a list of regiments, descriptions of significant battles, sources of the information, and suggestions for where to find additional information.
- Missouri in the Civil War describes many Confederate and Union sources, specifically for Missouri, and how to find them.. These include compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.
- United States Civil War, 1861 to 1865 describes and explains United States and Confederate States records, rather than state records, and how to find them. These include veterans’ censuses, compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.