Includes:
Pen and ink sketches of the ground plan and internal/external elevations of the church with measurements, as well as sketches of architectural features such as windows and doorways.
Written descriptions and sketches of the features and materials used in the fabric of the buildings.
List of items and photos of the apse found in the Archivio Lateranensis.
At the back, a draft of a letter to the Librarian at Windsor Castle, asking to consult a volume of drawings in the library as well as a list of critical dates for building campaigns.