English: Doctor and football coach William Charles Wurtenburg in the 1888 Yale football portrait.
Date
Source
Edwards, William Hanford (1916). "XX: Umpire and Referee". Football Days: Memories of the Game and of the Men Behind the Ball. New York City: Moffat, Yard and Company. Page 110.
Author
Unknown authorUnknown author
Licensing
Public domainPublic domainfalsefalse
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.