In the 1970s the NIU library received two significant collections of early jazz 45s. One of the collections was from Irving Kaltenbach, and the other from Mervyn Sorensen. These can be requested for library use only. Below you can find a full listing in an excel file. Please email firstname.lastname@example.org to request the item in advance.
The spreadsheet has multiple tabs at the bottom of the window for easy sorting options.