His interests during his later years were not exclusively associated with photography and he became increasingly interested in archaeology being one of the first to translate the cuneiform writing from Nineveh. Schaaf writes in:
Kanyang interes sa panahon ng kanyang susunod na taon ay hindi lamang iniuugnay sa photography at siya ay naging Mas madalas na interesado sa arkeolohiya bilang isa sa mga unang upang isalin ang kyuniporm sulat mula sa Nineveh. Schaaf magsusulat sa: