Commentaries
"And Philip ran to him, and heard him reading Isaiah the prophet, and said:
Do you understand what you are reading?
And he said, How can I, unless someone guides me?"
(Acts 8:30,31).
Notes on the New Testament
by Charles Hess
Commentaries on the Old and New Testament
by James Burton Coffman
A Commentary on Acts of Apostles
by J. W. McGarvey
People's New Testament
by Barton Warren Johnson