www.apsanet.org  

The American Political Science Association is the major American professional society for individuals engaged in the study of politics and government.

www.psa.ac.uk  

The Political Studies Association (PSA) of the United Kingdom, founded in 1950, is the British equivalent of the APSA. Its aim is to develop and promote the study of politics. The site gives details of its activities including publications and conferences, and contact details for about forty specialist groups within the association.

https://www.ipsa.org/

The International Political Science Association (IPSA) was founded in 1949 under the auspices of the United nations Educational, Scientific and Cultural organization (UNESCO). The site provides some interesting information on the development of the discipline in an international context.

www.hyperpolitics.net

Hyperpolitics is an innovative politics dictionary. It consists of an analytical tool created by Mauro Calise and Theodore J. Lowi that aids students and researchers in building up definitions of political science terms and concepts using conventional and online reference sources.

www.keele.ac.uk/depts/por/ptbase.htm  

This site provides access to a useful directory of resources maintained by the School of Politics, International Relations and the Environment at Keele University. It includes a listing of web links relating to all aspects of political theory and political philosophy.