Westminster Shorter Catechism Resources:
Shorter Commentaries:
Thomas Vincent: An Explicatory Catechism
John Flavel: An Exposition of the Assembly’s Catechism
John Willison: An Example of Plain Catechizing upon the Assembly’s Catechism
James Fisher: The Assembly’s Shorter Catechism Explained by Way of Question and Answer
Longer Commentaries
Thomas Watson: Body of Divinity
The Saybrook Platform 