• Presbyterian Church in America – Denomination’s National website www.pcanet.org/
• PCA – Book of Church Order www.pcaac.org/bco/
• PCA – Westminster Confession of Faith  WCFScripureProofs2022.pdf (pcaac.org) 
• PCA – Westminster Shorter Catechism with Scripture Proofs  www.pcaac.org/wp-content/uploads/2019/11/ShorterCatechismwithScriptureProofs.pdf
• PCA – Westminster Larger Catechism with Scripture proofs, part 1  www.pcaac.org/wp-content/uploads/2019/11/LargerCatechismwithScriptureProofs1.pdf
• PCA – Westminster Larger Catechism with Scripture proofs, part 2  www.pcaac.org/wp-content/uploads/2019/11/Larger-CatechismwithScriptureProofs2.pdf
• Online Bible – searchable with commentaries  biblehub.com
• Classic Bible Commentaries – e.g. Matthew Henry, Calvin, etc  www.ewordtoday.com/comments
• Ligionier Ministries, Reformed teaching resources – RC Sproul et al www.ligonier.org
• Charles Haddon Spurgeon – the Spurgeon Archives www.spurgeon.org