Source: Southwestern Telephone News (St. Louis: Southwestern Bell Telephone Co.), 1917-1955 (incomplete run) Location: St.L. / 05 / So89
Last Name:	Ball
First Name:	Mary
Middle Name:	Ellen
Title:	Mrs.
Volume:	30
Issue:	10
Date of Publication:	October 1942
Page:	44-45
Remarks:	Listing of years of service