Tolong jelaskan mengenai Bacaan lanjut dari Gene Lockhart dalam bahasa melayu

(Includes an interview with Lockhart's daughter, June)

Sheet music for "The World is Waiting for the Sunrise", Chappell-Harms, 1919.

Go Abroad with the Lockharts on The Digital Deli Too -- information about a radio program that starred Gene Lockhart and his wife, Kathleen