It is composed of more than twelve different scientific treatises.

A large number of scientific, philosophical and religious treatises.

His works include Celestial Chemistry, and he has published more than 160 scientific treatises.

Ptolemy was the author of two important scientific treatises.

They included books on poetry, novels, and even scientific treatises.

"The Empire waits eagerly for every scientific treatise you publish."

He wrote a scientific treatise on digestion that was widely ignored.

This is a humor column, not a factual scientific treatise.

From about 1220 to 1235 he wrote a host of scientific treatises including:

You didn't stop the bad guys by whacking them over the head with a scientific treatise.