The heir to the throne, Prince Charles, has been criticised for writing a private memo on ambition and opportunity.

Shortly before leaving office in February 1968, he sent a private memo to Johnson urging a scaling down of the war but received no response.

Mitchell then wrote a private memo to the department head at state headquarters stating the press release was "untrue."

Lant Pritchett has claimed authorship of the private memo, which both he and Summers say was intended as sarcasm.

Scenes that did not involve Hacker took the form of private memos between civil servants, or 'interviews' and written correspondence from other characters.

This was in a private memo to his chief of staff, Jonathan Powell.

I've sent you several memos marked private and confidential.

Kettering and Midgley stated that no alternatives for anti-knocking were available, although private memos showed discussion of such agents.

One of the poignant moments in the trial came when a private memo he wrote in 1996 was introduced.

His private memos, many of which fell into the hands of Democrats, explain why.