Read the foundational confessional documents of the Reformed churches.
The Westminster Confession of Faith is a Reformed confession of faith developed by the Westminster Assembly from 1643 to 1646.
A Reformed confession of faith written by Guido de Bres in 1561.
A catechism in question-and-answer format, written by the Westminster Assembly in 1647.
A fuller catechism prepared by the Westminster Assembly for more detailed doctrinal instruction.