Before they were sent, however, the contents of itstwenty-six drawers were photographed in Princeton, resulting in thirty mi-crofilm rolls. Recently, digital pdf copies of these microfilm rolls have been
circulating among scholars of the documentary Geniza.
Prior to being shipped to the National Library of Israel, Goitein's index card collection was photographed in Princeton and transferred to thirty microfilm rolls from which digital copies in .pdf format have been circulating among scholars of the documentary Geniza.
Link to other examples of digitized note collections: - Niklas Luhmann - W. Ross Ashby - Jonathan Edwards
Are there collections by Charles Darwin and Linnaeus as well?