It includes research in policy analysis, book reviews, and philosophical essays.

"I wrote some philosophical essays when I was in high school," he says.

He has also authored books of philosophical and literary essays.

Father Ellacuria was the author of numerous philosophical essays over the years.

The first part is a collection of philosophical and mathematical essays on the fourth dimension.

It is a pretty broad philosophical essay to explain why we have liked voltage more than current.

So some philosophical essays ask, is there a reason the choice of the real world is more ethical?

At the same time that he was working on these novels he began writing philosophical essays.

Sharon also wrote children's stories, literary criticism, articles and philosophical essays.

He contributed a large number of historical, political, esthetical and philosophical essays.