This folder contains correspondence and other documents relating to a variety of subjects. Included are documents that deal with more than one subject or that do not fall under the main subject categories in the Document File. Among the items for 1905 are letters from longtime Edison associates Charles Batchelor, Herman E. Dick, Etienne de Fodor, and Robert H. Thompson, as well as letters from Andrew Carnegie and Booker T. Washington. Also included are letters pertaining to Edison's deafness, vision impairment, and false teeth, along with correspondence concerning his portland cement.

All of the documents have been selected except for duplicates.