The Scofield Bible Commentary, by Cyrus Ingerson Scofield, [1917], at sacred-texts.com
city of
The Jews having rejected Stephen's witness to, and of, them, the Gospel now begins to go out to "all nations." Compare (Luk 24:47).
angel
(See Scofield) - (Heb 1:4).
desert
Contra, (Act 8:6-8).
And
The best authorities omit v. 37.