One of the listed featured performers in this advertisement is soprano Alberta Gillam, who was married to De Witt P. Gillam, who in turn presumably was related to Manly M. Gillam, the President of the United States Telephone Herald Company and one of the directors of the Oregon Telephone Herald Company.
 
Oregon Sunday Journal, June 30, 1912, Section 3, page 5 (a nearly identical advertisement appeared in Section 1, page 5, of the June 30, 1912 The Sunday Oregonian):
 
Oregon Telephone Herald