As this listing shows, the founding of the schools has often involved unusual collaborations.

To keep those conditions fresh, he constantly sought out unusual collaborations.

They call for unusual collaborations among educators, businesses, community organizations, unions and others.

Now they are embarked on their most unusual collaboration.

Union men, women, and children played most of the roles in this highly unusual collaboration.

However, more unusual or innovative collaborations could be encouraged by local authorities.

The executive's affinity for the avant-garde director has led to an unusual collaboration.

The book is the result of an unusual writing collaboration between a commanding officer and one of his men.

It was also an unusual collaboration with the French arm of the network, which traditionally had autonomous production.

In itself, the gallery represents an unusual collaboration of art and architecture.