The only reference is a boyfriend who took the girl and now works in radio.

The note just cited is the only reference to his character.

My only reference to the outcome of the war came toward the end.

The only reference to the planet had been the introductory question.

The only reference I can find for such a creature is in a book of myths.

This is the only reference to their relationship in the comics.

Indeed, the only reference to Charles is the one described above.

That is not, however, the only reference to real events in Israeli television.

This is the only reference to the fall of humanity.

That was the only reference he'd ever made to it.