The digital edition of the Thomas A. Edison Papers reflects the structure of the microfilm edition of select documents from the Thomas Edison National Historical Park, which was published in five parts between 1985 and 2008. The document records and images from Parts I-III (1850-1898) have been available online since 2000 in our digital image edition. This edition also contains the document records for Parts 4-5 (1899-1919) and we are in the process of uploading their images. All five parts of the microfilm edition (288 reels) has been digitized and uploaded to the Internet Archive: https://archive.org/details/edison-microfilm. The Series Notes for each part of the microfilm edition contains links to each of the folders and volumes found on the microfilm reels and to their equivalent item sets in the digital image edition.
The digital image edition also contains more than 16,000 additional documents and their images from approximately one hundred other repositories. We are in the process of creating a finding aid for these materials.