The book listed below all include the Library of Congress Subject Heading (LCSH) "Federal government -- United States -- History". They are listed below in call number order. The books (on the shelves) to the immediate left and right of the cited titles deal with related topics.
In addition to browsing the shelves in Kresge and Hesburgh libraries, you can also open the catalog records for these books and click on related LCSH subjects to find additional resources with the same subject heading (e.g., Constitutional History -- United States or States' Rights (American Politics) -- History or )., etc.
Journals and Law Reviews are full-text searchable on Lexis+ and Westlaw (which both have far more advanced search options than HeinOnline or an individual journal's webpage).
Search for terms like those you have encountered in your course readings (e.g., Article III, federalism, [name of historic figure], secession, state's rights, etc.) or use a citator (Shepard's or KeyCite) to locate articles that a known authority (e.g., helpful scholarly article, case, or other source).
Your research may benefit from scholarship in other related but non-legal disciplines such as history, religion, political science and philosophy (among others). The following databases provide access to a wide variety of sources in these fields.