This was Stephen Crowley's contribution to the general discomfort.

The paper was a contribution to the life-history of this minute insect.

The cashier's hand had been strengthened by Crane's contribution of evidence.

In Freedom's name, I send herewith a contribution to the funds of your society.

I was going under circumstances that rendered a contribution unavoidable.

And Captain Eri made his fourth contribution to the conversation.

His hostess went on as if his contribution to the subject were barely relevant.

Yet with all this, science made no contribution that was entirely new.

Of its value as a contribution to political and diplomatic history it is not for me to speak.

In this contribution he sings a pan in praise of the amateur athlete.