Thirteen New Testament epistles are attributed to Paul, beginning with Romans and continuing through Philemon.
If you're referring to St. Paul's letters in the New Testament, they are called epistles.
St Paul is found in the bible many times He has letters from him to someone or a city (known as epistles) - such as the letter of Paul to the Corinthians, letters to Timothy 1 and 2 and others.
St Paul's letters are in the New Testament, beginning with Romans, and continuing through to Titus.
St. Paul wrote two letters to the church of Corinth, now known as 1 Corinthians and 2 Corinthians.
They were called letters.
No Paul was alive during the New Testament times.
Epistles - as from St. Paul, St. Peter. St. John, St. James and St. Jude.
Historians are uncertain about whether St. Paul had any siblings as there is no specific mention of them in historical records or the Bible. St. Paul himself does not mention any siblings in his letters.
----------------------- There is universal agreement among scholars that both Paul's epistles to the Corinthians are genuine. Paul wrote them.
St. Paul (formerly Saul of Taurus) wrote most (not all) of the letters in the Bible.
St. Paul the Apostle is credited for writing the epistles.
ANSWER: The world may never know. GOD only inspired the men of GOD to put in the Bible, the letters of Paul that He wanted, too.