The foundation and the adjacent historical society merged in 2009.

These societies merged in 1959 and still meet today as a "joint senate."

By 1885, all literary societies had merged their libraries with the College's.

"And this secret society merged with the orthodox church?"

In 1974 the society merged with another charity and moved to Rockland County.

The two societies merged on 26 August 2007.

The Society ultimately merged with the National Academy in 1906.

These two societies merged in 1909 and moved their offices to New York City.

In 1730, the Fleet Street lease was not renewed and the two societies merged.

The same year the society, by then the third biggest in the league, merged with the seventh largest society, Anglia.