Unique in Belgium is the genealogical library and the heraldic engraving collection.

In 1994 its ownership was transferred to the Town of Leesburg to operate as a historical and genealogical library.

Family History Library - largest genealogical library in the world, maintained by the LDS Church.

It is the largest genealogical library in the world and is open to the general public at no charge.

The DAR maintains an extensive genealogical library at its headquarters in Washington, DC and provides guides for individuals doing family research.

The organization also runs a genealogical library.

Later, the two buildings were connected by a third structure housing the DAR Museum, administrative offices, and genealogical library.

The museum also houses what it calls the state's most comprehensive historical and genealogical library, with more than 125,000 books and 2 million manuscripts.

There is also a genealogical library of material on early families in Northumberland County and surrounding counties.

The Family History Library, the largest genealogical library in the world, is located just west of Temple Square.