Jardine Paper
The Jardine Paper was the proposal sent by Dr. William Jardine to Lord Palmerston to guide the British government in its plans to wage war with China which eventually was called the First Opium War.
The actual strategy of Britain in the First Opium War very much mirrored the details of the Jardine Paper.
No copy of the Jardine Paper is currently available but a letter from William Jardine to James Matheson dated December 19, 1839 is almost exactly the same as the Jardine Paper: