Walter L. Welch

Edison and his Contributions to the Record Industry

Walter L. Welch, 1977 .

Preservation and Restoration of Authenticity in Sound Recordings—To Standards

Walter L. Welch, 1972 .

From Tin Foil to Stereo

Oliver Read, Walter L. Welch, 1960 .

From Tin Foil to Stereo: Evolution of the Phonograph

Oliver Read, Walter L. Welch, Walter L. Welch, 1960 .

From Tinfoil to Stereo: The Acoustic Years of the Recording Industry, 1877-1929

Walter L. Welch, Walter L. Welch, Leah Brodbeck Stenzel Burt, 1994 .