This folder contains letters congratulating Edison on the celebration of his sixty-eighth birthday. The correspondents include U.S. Secretary of the Navy Josephus Daniels and Edward M. Hagar, president of the Cement Products Exhibition Co.

Less than 1 percent of the documents have been selected. Most of the items not selected received no response from Edison. Some bear his marginalia, indicating the reply of a simple "thanks."

Courtesy of Thomas Edison National Historical Park.