Barclay

William Barclay, The Letter to the Hebrews (Second Edition; The Daily Study Bible; Edinburgh: Saint Andrew Press, 1955, 1957)

BDAG

Walter Bauer and Frederick William Danker, (A Greek-English Lexicon of the New Testament and Other Early Christian Literature (Third Edition; based on previous English editions by W.F. Arndt, F.W. Gingrich, and F.W. Danker; University of Chicago Press, 1957, 1979, 2000)

Bruce

F.F. Bruce, The Epistle to the Hebrews (New International Commentary on the New Testament, Revised Edition; Eerdmans, 1990)

Ellingworth

Paul Ellingworth, Commentary on Hebrews (New International Greek Testament Commentary; Eerdmans, 1993)

Guthrie

Donald Guthrie, Letter to the Hebrews (Tyndale New Testament Commentaries; Eerdmans, 1983)

Hawthorne

Gerald F. Hawthorne, "The Letter to the Hebrews," in A New Testament Commentary, G.C.D. Howley, (General Editor) (Zondervan: 1969), pp. 533-566.

ISBE

Geoffrey W. Bromiley (general editor), The International Standard Bible Encyclopedia, (Eerdmans, 1979-1988; fully revised from the 1915 edition)

Lidell-Scott

Henry George Liddell and Robert Scott, A Greek-English Lexicon (revised and augmented by Sir Henry Stuart Jones with the assistance of Roderick McKenzie; Oxford: Clarendon Press,1940).

NIDNTT

Colin Brown (editor), New International Dictionary of New Testament Theology (Zondervan, 1975-1978; translated with additions and revisons from Theologisches Begriffslexikon zum Neuen Testament, Coenen, Beyreuther, and Bitenhard, editors)

Robertson

A.T. Robertson, Robertson's Word Pictures  of the New Testament (Broadman Press 1932-33, 1960)

Stedman

Ray C. Stedman, Hebrews (IVP New Testament Commentary Series; InterVarsity Press, 1992)

TDNT

Gerhard Kittel and Gerhard Friedrich (editors), Geoffrey W. Bromiley (translator and editor) Theological Dictionary of the New Testament (Eerdmans, 1964-1976; translated from Theologisches Wörterbuch zum Neuen Testament, ten volume edition)

Thayer

Joseph Henry Thayer, Greek-English Lexicon of the New Testament (Associated Publishers and Authors, n.d., reprinted from 1889 edition)

Vincent

Marvin R. Vincent, Word Studies in the New Testament (second edition 1888; reprinted: Associated Publishers and Authors, 1972)

Westcott

Brooke Foss Westcott, The Epistle to the Hebrews (Eerdmans, 1970, reprinted from the second edition, 1892)