Cal. Civ. Proc. Code § 612

Upon retiring for deliberation the jury may take with them all papers which have been received as evidence in the cause, except depositions, or copies of such papers as ought not, in the opinion of the court, to be taken from the person having them in possession; and they may also take with them any exhibits which the court may deem proper, notes of the testimony or other proceedings on the trial, taken by themselves or any of them, but none taken by any other person.