To search by subject in the U.S. Treaties and Agreements Library, use the drop-down box options located under U.S. Treaty Index section. You can use the All Subjects, TIF Subject, or Kavass Subject options.
Example: Search for “trade” across titles from 2005.
![screenshot of search by subject in U.S. Treaties and Agreements Library](https://help.heinonline.org/wp-content/uploads/2022/03/2022-03-15_15-07-08-min.png)
The search results will look something like this:
![screenshot of search results in U.S. Treaties and Agreements Library](https://help.heinonline.org/wp-content/uploads/2022/03/2022-03-15_15-09-19-min-1024x555.png)