Secondary Sources ~ Isaac Watts

Dr. Watts’s plain and easy catechisms for children: the Shorter catechism of the Assemblies of Divines at Westminster with explanatory notes; and a preservative from the sins and follies of childhood and youth by Isaac Watts (WSC)
The assembly’s catechism with notes or, the shorter catechism composed by the Assembly of Divines at Westminster: with a brief explication of the more difficult words and phrases contained in it, for the instruction of youth by Isaac Watts (WSC)

Isaac Watts