Analysis of information sources in references of the Wikipedia article "Albany Billiard Ball Company" in English language version.
Official "7 Ball—Made of 100% Cast Phenolic: Manufactured exclusively for playing "7 Ball" by Albany Hyatt Billiard Ball Company"Four-page advertising pamphlet.
Official "7 Ball—Made of 100% Cast Phenolic: Manufactured exclusively for playing "7 Ball" by Albany Hyatt Billiard Ball Company"Four-page advertising pamphlet.