These studies included the works of Classical authors on history, philosophy, and science, including mathematics.

Since 1993 it also frequently includes works of authors formerly censored until 1991.

The English version in use contains much additional matter drawn from the works of other authors.

Some common motifs are present in works of multiple authors.

Several future books are works of authors found through this policy.

In recent years he has also translated the works of other authors.

Only a few quotations from him are found in the works of other authors.

These probably represent the works of several authors, but the treatments given are usually conservative.

His main interest in the works of such authors were ideas that referred to the public good and popular prosperity.

The same is true of many important works of other authors.