Researching treaties is often difficult. Before begining it is helpful to ask some basic questions:
Who are the parties (signatories) to the treaty?
What is the subject of the treaty?
When was the treaty signed? When did it go into effect?
United States Statutes at Large - Hodges KF50
Vol. 7 - Indian Treaties 1789-1842
Library of Congress American Memory - 1789-1873
Indians of North America - Law Library of Congress
Indian Affairs: Laws and Treaties. (Kappler). KF8203 1975. V.2
Text of ratified and unratified Indian Treaties 1779-1871.
Treaties Between the Tribes of the Great Plains and the United States of America: Comanche and Kiowa, Arikara, Gros Ventre and Mandan, 1835-1891.
Hodges KF8202 1982.
May have treaties not in Kappler's compilation.
Digest of Unites States Practice in International Law - insights into treaty law from the U.S. Dept. of State
UK Treaties Online - Treaties to which the UK is a signatory