Northfield Seminary, Northfield, Massachusetts, USA. Published between 1900 and 1906 by the  Detroit Publishing Co. Copyright is no longer in effect since this was published before 1923. From the Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA. Call Number: LC-D4-17587.  <a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/det1994009857/PP/">https://www.loc.gov/pictures/item/det1994009857/PP/</a>
Detroit Publishing Co.
United States Library of Congress.