Perry, Stephen D. (November 2001). "Securing Programming on Live Local Radio: WDZ Reaches Rural Illinois 1929–1939". Journal of Radio & Audio Media. 8 (2): 347–371. doi:10.1207/s15506843jrs0802_10. ISSN1095-5046. S2CID167505946.
Doerksen, Clifford J. (February 1999). ""Serving the masses, not the classes": Station WHN, pioneer of commercial broadcasting of the 1920s". Journal of Radio Studies. 6 (1): 81–100. doi:10.1080/19376529909391710. ISSN1095-5046.
Perry, Stephen D. (November 2001). "Securing Programming on Live Local Radio: WDZ Reaches Rural Illinois 1929–1939". Journal of Radio & Audio Media. 8 (2): 347–371. doi:10.1207/s15506843jrs0802_10. ISSN1095-5046. S2CID167505946.
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Perry, Stephen D. (November 2001). "Securing Programming on Live Local Radio: WDZ Reaches Rural Illinois 1929–1939". Journal of Radio & Audio Media. 8 (2): 347–371. doi:10.1207/s15506843jrs0802_10. ISSN1095-5046. S2CID167505946.
Doerksen, Clifford J. (February 1999). ""Serving the masses, not the classes": Station WHN, pioneer of commercial broadcasting of the 1920s". Journal of Radio Studies. 6 (1): 81–100. doi:10.1080/19376529909391710. ISSN1095-5046.