He has written a history of drug use and culture in the United States.

He did not write very much music during the rest of his life in the United States.

He has also written on banking history and race relations in the United States.

Almost all the books on premature babies, it seems, are written in the United States.

He also wrote for magazines and newspapers in the United States.

He also wrote of his travels in the United States.

Very little about that is written in the United States.

She taught and wrote in the United States for 11 years.

It is the first comprehensive study of music ever written in the United States.

At this time, he was finally able to write to his sisters in the United States.