Edison 50276 (10-in. double-faced)

The following matrix(es) were released with this catalog number:

CompanyMatrix No.Take NumberDateTitle/Artist 
Edison 3760 A 5/6/1915 Bird imitations / Charles Crawford Gorst
Edison 3760 B 5/6/1915 Bird imitations / Charles Crawford Gorst
Edison 3760 C 5/6/1915 Bird imitations / Charles Crawford Gorst
Edison 3979 A 7/16/1915 Explanatory talk [on Bird imitations] / Harry E. Humphrey
Edison 3979 B 7/16/1915 Explanatory talk [on Bird imitations] / Harry E. Humphrey