《资治通鉴·后晋纪·后晋纪六》
出帝和太后给契丹主所上的表章，都先给张彦泽看过，然后才敢发出。
帝与太后所上契丹主表章，皆先示彦泽，然后敢发。
The memorials that the young emperor and empress dowager sent to the leader of the Khitan were first shown to Zhang Yanze before they dared to send them out.