In the following decades, the collection expanded to become one of the largest of its type.

Currently, the collection has more than 200 books and is constantly expanding.

In recent years the museum's collection has expanded to include pieces not associated with Michelson.

His collection has expanded to 3,000 frames, mostly 19th-century, but some dating back to the 1600's.

Since then, the collection has expanded to include content from numerous television networks.

The library's collection expanded into a new building in 1982.

In the six years since the Thing opened, the collection has expanded, creeping up the stairs and onto the main floor.

The collection also expanded to include still lifes and figure paintings.

As the collection expanded, and he came across another prized item, his wife would ask if they could afford it.

By 2010 the collection had expanded to around 200 pieces.