Subject headings are a formalized way of of searching library catalogs. The right subect heading can help you get to information more quickly.
For example, US Presidents can be described using the following terms:
You could search the library catalog for all those keywords. Or, use one subject heading to find all of the library's materials about US Presidents:
Who determines subject headings? The Library of Congress. Copies of the complete set of the Library of Congress Subject Headings are available at the Reference Desk.
Sometimes browsing the library stacks can help you find books you didn't even know you were looking for. The following are good areas to peruse.
HX: Socialism, communism, utopias, anarchism
J: General Legislative and Executive Papers
JA: Political Science, collections and general works
JC: Political theory, theory of state
JF: Consitutional history and administration
JK: United States
JK 2403-9501: United States, state government
JK 9661-9993: Confederate States of America
JL: British American, Latin America
JQ: Asia, Africa, Australia, Oceania
JS: Local government
JV: Colonies and colonization, emigration and immigration
JX: International law, international relations
JZ: International relations
Maps of the library are available at the 2nd floor Reference Desk, elevator lobbies, and also online.
After you execute a search in the Portland State Library catalog, click on the "books" facet to limit your search results to only books. Click on "eBooks" to limit your results to eBooks.
After you find a useful book, scroll down to the "Details" heading to find the book's "Subjects." Here you'll find a list of related subjects that you might consider adding to your search. You can also click on a subject link in the record, e.g. clicking on "Community health services" would bring up a list of all the Library's books, journals, etc. on that topic.
|Arbitration (International Law)||Citizenship||Comparative Government|
|Emigration and Immigration||International Agencies||International Courts|
|International Law||International Relations||Local Government|
|Municipal Government||Peace||Peace Movements|
|Political Parties||Political Rights||Presidents--United States|
|Representative Government and Representation||Separation of Powers||Treaties|
|United Nations||United States. Congress. House||United States. Congress. Senate|
|United States--Foreign Relations||United States. Supreme Court|