I saw this on FamilySearch recently – New Library Lookup Service—For When You Can’t Visit the Family History Library: https://www.familysearch.org/blog/en/library-lookup-service-fhl/. Article is longer, but here are some details. I included the section headings below.
May 24, 2021 by Diane Sagers
The Family History Library (FHL) in Salt Lake City, Utah, has long been a go-to place to find genealogical research materials and is the flagship library for FamilySearch International. With the closure of the library a year ago due to the COVID 19 pandemic, people have had to rely largely on online materials, unable to access records that are only viewable at the Family History Library or other locations. A new Library Lookup Service will soon provide greater access to these records globally.
Online Records and Limited Access Records
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How the Lookup Service Works
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Special Cases for Books
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Available in Many Languages
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Continuing Service after the Reopening
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https://www.familysearch.org/blog/en/library-lookup-service-fhl/