From Docent Susan Arndt, here is a collection of resources on Chinese wallpaper, such as found in the MacFarlane Room:
From the University College of London: CHINESE WALLPAPER CASE STUDY: AN ELUSIVE OBJECT
From the V&A blog: Conservation and Mounting of a Chinese Export Wallpaper Panel
Chinese wall paper in the National Trust Collection in the UK.
Here is a direct link to our ArtStory on the wallpaper: MacFarlane Room wallpaper