External References for the Book of hebrews
Hebrews and the New Covenant - Keith Mathison
Scripture: Our Inerrant and Infallible Authority - Stephen Nichols
What Difference does an Inerrant Bible Make? - R.C. Sproul
Scriptural Inerrancy - Ligonier Ministries
What is the Doctrine of the Sufficiency of Scripture? - GotQuestions
What does it mean that the Bible is Infallible? - GotQuestions
Propitiation - J. Ligon Duncan
What do Expiation and Propitiation Mean? - R.C. Sproul
The Propitiation for our Sins - Sinclair Ferguson
The Gospel according to Hebrews - Justin Dillehay
Angels - R.C. Sproul
What does the Bible say about angels? - GotQuestions
How Hebrews 1 hammers home the Deity of Christ - Justin Dillehay
Biblical Theology is for Nerds, by Joe Carter - The Gospel Coalition
Hebrews Overview (video): The Bible Project
The Development of the Bible: An Interview with Michael Kruger
Growing in Your Understanding of Biblical Theology: Six Strategies you can Implement in the New Year