Commentaries:
No entry exists in Forerunner Commentary for Matthew 4:21.
Other Forerunner Commentary entries containing Matthew 4:21:
Matthew 4:17
Matthew 4:23
Matthew 9:35
Matthew 10:7
Luke 4:43
Luke 8:1
Luke 9:2
Luke 9:60
Luke 16:16
Revelation 1:1-2
Revelation 1:4
Revelation 1:9