I have posted some fresh material on my archive page. Here are the links, and you should be able to copy and paste into your address bar and download the information. It is not signed, but I assure you that these are letters from Dr. Coomaraswamy to Mother Teresa. It is well known that Dr. Rama's family was attending the Novus Ordo at the encouragement of Mother Teresa. Dr. Rama saw the New Mass for what it was, a sacrilegious sham. I would date these mid 1980's.
https://archive.org/details/dr-coomara-to-mteresa-2https://archive.org/details/dr-coomara-pentec-movement