His works have remained in print more or less continuously since 1900.

The book has remained continuously in print for more than 50 years.

The album has remained available continuously from 1972 until the present.

The number of inhabitants remained continuously under 150 up until the 18th century.

The collection has remained continuously in print for 30 years.

This work has remained in print continuously for over a century.

It is not entirely clear how long the book remained continuously in print.

It was seen in 65 countries by half a billion people, and has almost continuously remained on the charts since its release.

The islands remained continuously in British possession from then until 1982.

The ship remained at sea for 254 days continuously.