These were based on his travels to Rome.

Her books are based on her learning and her travels.

Episodes are based on the pair's travels between the worlds of the 1870s and 1970s.

These works were based on her travels and work in Africa between 1949 and 1953.

Score of heads of state welcomed him into their circle, and in turn he gave them useful advice based on his travels through their territories.

His landscape paintings were based on his many travels to the Yellow Mountain.

It is based on Roberson's travels through the Republic of Macedonia.

It was based on his travels from 1819-1821 to study botany along the Arkansas River.

"And in the early days it was based on my travels."

Many of his books were largely based on his travels.