The division of the material between one church and another in the notebooks is not clearly marked.
Includes:
Questions the author sets out to answer as a direction for his research.
Pen and ink sketches of the ground plans and internal/external elevations of the churches with measurements, as well as sketches of architectural features such as windows, arcades and doorways.
Written descriptions and sketches of the features and materials used in the fabric of the buildings.
For S. Saba there are 3-dimensional sketches of various architectural features with labels, measurements and notes as well as sketches of carved ornamental surfaces with labels, measurements and notes.
Lists of photographs.