Colossians 4:13 mentions Epaphras's labor for Laodicea, the city where Paul's letter is to be read, linking recipients.

Colossians 2:1 reveals Paul's struggle for the Laodiceans, the same church he later instructs to read his letter.

1 Thessalonians 5:27 similarly commands the public reading of Paul's letter, reinforcing the apostolic practice.

Revelation 3:14 begins Christ's letter to Laodicea, the very church Paul instructs to read and exchange letters.

Revelation 1:11 includes Laodicea among the seven churches, the same city where Paul orders his letter to be read.