We suggest that you contact the Family History Library directly about this. Here is a link to a Wiki article that explains the services that they have available and how to contact them. https://www.familysearch.org/wiki/en/Virtual_Research_Strategy_Sessions
You could try one of the FREE 'On-Line' Consultations through the "Family History Library" (FHL) of the Church in, "Temple Square", Salt Lake City, Utah, USA.
Here is some links were you can access/book one of those Consultations ...
Engage with the Family History Library Online
Family History Library Online Consultations
I have seen/heard some good positive 'Feedback' from those who have used the service.
ps: And, here is a 'FamilySearch' "Blog" Article on the FREE 'On-Line' Consultations through the FHC ...
The Family History Library staff in Salt Lake City, Utah, will have the ability to search limited access collections during this period and can offer patron assistance. To learn more about this option, patrons should explore the free virtual consultations and free records look-up services.