I have added a link to the following book which is available electronically:
Gooding, David. Unshakeable Kingdom: An Exposition on the Epistle to the Hebrews. 1989.
David Willoughby Gooding, MA, PhD, professor emeritus of Old Testament Greek at Queen's University Belfast, is a member of the Royal Irish Academy. Professor Gooding travels extensively, giving lectures and, besides academic works, is the author of expository books on Luke, John 13-17, Acts and Hebrews.