This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Carlton House . An anonymous plan of Carlton House in London dated This shows the house before the alterations and extensions made by Henry Holland for the Prince of Wales Prince Regent George IV Carlton House Floor plans of houses PDold
Page 2023 Free-images.com. All images are Public Domain