E. C. Barker

British Interests and Activities in Texas, 1838-1846.

E. C. Barker, 1911, American Journal of International Law.

Indulgences as a Social Factor in the Middle Ages

E. C. Barker, N-C Paulus, J. Ross, 2001 .

The Austin Papers

I. J. Cox, E. C. Barker, 1925 .

The writings of Sam Houston, 1813-1863

E. C. Barker, S. Houston, Amelia W. Williams, 1938 .