This folder consists primarily of letters from William Leslie Edison (1878-1937) to his stepmother, Mina Miller Edison. There are also a few letters addressed to Thomas and Mina Edison jointly. Most of the letters were written during 1890 and 1891, while William was attending St. Paul's School in Concord, New Hampshire.

Additional letters by William L. Edison can be found in the Charles Edison Fund Collection and the David E. E. Sloane Collection Some of the letters in the CEF Collection, scanned from the microfilm, are now in the possession of the Thomas Edison National Historical Park. These items are so indicated in the document information frame above each image.