Search Results - "Preluders"

The early shortwave stations a broadcasting history through 1945 / by Berg, Jerome S., 1943-

Table of Contents: “…Prelude to shortwave -- 1923-1929 -- 1930-1939 -- 1940-1945 -- Conclusion -- Appendix: nations and stations.…”
An electronic book accessible through the World Wide Web; click to view