Most political science books can be found in the Js (Political Science), which are located in the southwest corner of the 4th floor.
- J — Legislative & Executive Papers
- JA — Political Science
- JC — Political Theory
- JF, JJ, JK, JL, JN, & JQ — Political Institutions & Public Administration
- JF — General
- JJ — North America
- JK — US
- 404-1685 — U.S. Government & Public Administration
- 1717-2217 — Political Rights & Practical Politics
- 2255-2391 — Political Parties
- 2403-9593 — State Government
- JL — Canada & Latin America
- JN — Europe
- JQ — Asia, Africa, Australia, & Pacific Islands
- JS — Local & Municipal Government
- JV — Colonization & International Migration
- JX — International Law (See also JZ & KZ)
- JZ — International Relations
You might also find relevant books in the Ks (Law), Ds (World History), or Es & Fs (History of the Americas).