Re: 68 - this letter being “lost” is if no importance.
The Globe proceedings are available on the Internet. Additionally, the letter is included in Volume 1 of Lash’s quite good two-volume set “The Reconstruction Amendments: Essential Documents”. Expensive but highly recommended.
The offspring born within the jurisdiction of an illegal alien mother is a naturalized U.S. citizen at birth, but not an Art. II, §1, Cl. 5 natural born citizen.