He is best known for his work in international relations.

He was also an author of books about international relations.

He was the author of several books on international relations.

The same is true in the field of international relations.

This word is most often used when talking about international relations.

A policy which can set a new standard in international relations.

To understand international relations it is necessary to work with these forces, not against them.

He then became director of planning and research in international relations.

In today's economic climate, international relations are more important than ever.

Let us also not forget this issue in international relations.