«Prof. Truman H. Safford». New York Times. 14 de junio de 1901. Consultado el 8 de enero de 2014. «Truman Henry Safford, Field Memorial Professor of Astronomy at Williams College, died at 8:30 o'clock yesterday morning at the home of his sons, 112 Broad Street, Newark, N.J. Prof. Safford suffered a stroke of paralysis seven years ago, and for the past year his health has precluded any activity in the duties of his position. ...»
