It is the only professional association in the world to have enjoyed such success.

"But it appears to be the only association between the two doctors," protested Marissa.

But that's not the only surprising association in this passage.

Mr. Krug says his only recent association with her has been on business matters.

The only association they had with airplanes was jumping out of them - or blowing them up.

It is the only international association for philosophy located in Greece.

It is the only worldwide scholarly association in the field of public management.

Pillars of Hercules was the only association we could think of, and that didn't make much sense.

Despite its shortcomings, it was the only association of Indians which took up their causes and represented to the government.

It is the only national association of over 110 tramping, mountain climbing clubs and schools.