Referring to his notes, Lewsham brought up the second case.

He referred to his notes for the first time.

"A couple of professors did move in to check up," Bob said, referring to his notes.

Singh did not have to refer to his notes or comlog.

She had hardly had to refer to her notes for Michael.

He blinked once, then referred back to his notes.

He took a deep breath and referred back to his notes.

He wanted everything down on paper, for the record, whether he ever had to refer to his notes again or not.

He said all that without once referring to his notes.

The lecturer spoke for over two hours, and only referred to his notes once or twice.