In two cases the destruction of the only known collections made it impossible to be absolutely certain that a name was a synonym.

It is the largest known collection of Eakins memorabilia.

Among the known collections of his papers are the following:

There are about 90 known collections of it before 1970.

This album is the largest known preserved collection of Seik's work.

The last known collection is from Washington, United States (1912).

The single known collection is not complete enough for a complete description.

As in any known collection, ancient or modern, the poems are uneven.

The letters are the largest known collection of private correspondence from the Gulag, according to Memorial.

Approximately 75% of them survive and either exist in known collections or have passed through the main auction houses in recent years.