1. Go to Allen's book.
2. What right do you have to this information, to the personal contributions that various people have made and continue to make world wide, to their income, to their own private activities?
3.  What authority was given to you by whom to seek this information as part of your vocation?

Answer: You have no right to this information, none.

In Spain during their civil war when thousands of priests and religious were out right killed - as they are today in China and Cuba and many other places, evidence of affiliation was used to round them up.   That's why discretion is used.

We have rights to do duties, not to play busybody. 

You have no more right to this information than you have a right to know the identities of LGBT people and who funds their activities and the sources of income of their leaders.