| Refine your resultsProjectsRadio pioneers project. (1)
NamesGuy, Raymond Fredrick, 1899- (1)
Hill, Frank Ernest, 1888-1969, interviewer.--http://id.loc.gov/vocabulary/relators/ivr (1)
SubjectsEngineers--Interviews. (1)
Guy, Raymond Fredrick, 1899- (1)
Hill, Frank Ernest, 1888-1969, interviewer.--http://id.loc.gov/vocabulary/relators/ivr (1)
Interviews. (1)
Oral histories. (1)
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