references to Paul’s own collection in certain ones of them, and by noting the absence of such references in others. Prior to conceiving the plan for his own collection, Paul wrote 1 Thessalonians, Galatians, and Philippians.19 After he conceived that plan, he communicated it to his church in Corinth (perhaps in the letter he mentions in 1 Cor 5:9); he spoke of it in a second letter to the Galatians, no longer preserved (1 Cor 16:1–2); he reemphasized it several times in writing to the Corinthians