Protestant Reformed Churches in America 
The Protestant Reformed Churches are Reformed, Calvinistic Churches which maintain the doctrines of grace and hold to the three forms of Unity: the Heidelberg Catechism, the Belgic Confession, and the Canons of Dordt.
http://www.prca.orgReformed Sovereign Grace Literature Home Page 
Promoting the Reformed Faith through literature and RealAudio sermons and lectures.
http://www.rsglh.org
Protestant Reformed Churches 
A list of Protestant Reformed Churches in the United States and Canada.
http://www.prca.org/current/Protestant_Reformed_Churches.htm
The Standard Bearer 
A semi-monthly magazine, the official publication of the Protestant Reformed Churches.
http://www.prca.org/standard_bearer/
Reformed Free Publishing Association 
An independent, non-profit publishing association affiliated with the Protestant Reformed Churches of America. They publish a semi-monthly periodical and many Reformed books in the Calvinistic tradition.
http://www.rfpa.org/Scripts/
Protestant Reformed Theological School 
The seminary of the Protestant Reformed Churches in America. There is also a link to the Protestant Reformed Theological journal.
http://www.prca.org/Seminary/seminary.html