How Do I Refute the Jehovah’s Witness Claim about the 144,000?
https://www.catholic.com/qa/how-do-i-refute-the-jehovahs-witness-claim-about-the-144000
Who Are the 144,000 Mentioned in Revelation?
What Is the Significance of the Number 144,000 to Jehovah’s Witnesses?
https://www.catholic.com/qa/what-is-the-significance-of-the-number-144000-to-jehovahs-witnesses
Book of Revelation Say Only 144,000 Will Be Saved?
Is it true in Revelation 14:1-3 that only 144,000 people will be saved?
https://www.lincolndiocese.org/news/diocesan-news/16784-ask-the-register-are-only-144-000-saved