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• Catalogue No. 104bis: Vues de voyages et explorations en projections lumineuses 0
• Georges Carette & Co - Catalog 1902: Fabrik für optische, mechanische, elektrische, physicalische Waren. Spielwaren, Lehrmittel 0
• Éditions des Diapositives pour Conférences Scientifiques et Mondaines: Catalogue Général des vues scientifiques & littéraries classées suivant un ordre méthodique et rat. 2e Fascicule Physique & Chimie 0
• "A Statement by Radio Station WOI" 0
• "A Statement of Policy for the Guidance of the Columbia University Radio Program and the Columbia University Radio Station" 0
• "A Supplementary Report Covering the Activities in Mexico City of its Counsel" 0
• "Can Radio Broadcasting Be Improved?" 0
• "Classification of Educational Radio Research" 0
• "Dabbling in College Broadcasting" 0
• "Financial Aspects of Radio Broadcasting" 0
• "How I did it," 0
• "Non-Commercial Educational Broadcast Being Developed Through The Use of 'FM'" 0
• "Proposal for Supplemental Public Radio Broadcasting System" 0
• "Radio Channels for College Stations" Education by Radio 0
• "Setting Up the FM Station" 0
• "Television: the revolution," 0
• "The Role of Minerals in Nutrition" 0
• "The University Station Director Faces His Problems" 0
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