Source: United Railways Bulletin, 1915-1923 (published monthly for distribution among the employees of the United Railways Company of St. Louis) (incomplete run)
Location: St.L. / 05 / Un35
Last Name:Heffernan
First Name:Mamie
Middle Name:F.
Title:Miss
Volume:3
Issue:9
Date:September 15, 1917
Page:15-16