- Here Vancouver and Quadra carried on the negotiations of 1792 for the restoration of the territory. - "The Makers of Canada: Index and Dictionary of Canadian History", Various.
- At the same time he proposed in addition to yield to the United States a detached territory north of the Columbia extending along the Pacific and the Straits of Fuca from Bulfinchs Harbor, inclusive, to Hoods Canal, and to make free to the United States any port or ports south of latitude 49 which they might desire, either on the mainland or on Quadra and Vancouvers Island. - "Complete State of the Union Addresses from 1790 to the Present", Various.
- It also embraced a provision to make free to Great Britain any port or ports on the cap of Quadra and Vancouvers Island south of this parallel. - "Complete State of the Union Addresses from 1790 to the Present", Various.