Texas Breaks Away
On Our Own
An International Matter
A Treaty of Annexation
The Final Showdown
The Annexation of Texas, by Justin H. Smith. 1941.
The Diplomacy of Annexation, by David M. Pletcher. 1973.
Rift in the Democracy, by James C.N. Paul. 1951.
Slavery and the Annexation of Texas, by Frederick Merk. 1972.
Texas Annexation and the Mexican War, by Norman E. Tutorow. 1978.
“Recognition of the Republic of Texas by the United States,” by Ethel Zivley Ratiler. Southwestern Historical Quarterly, 1910.
Storm over Texas, by Joel H. Silbey. 2005.
A Century of Lawmaking for a New Nation, from the Library of Congress (search or browse for the Congressional debates on the annexation of Texas).