Hilversum, Holland: Interna, 1945. First edition - A specialized dictionary for radio and television (specifiek woordenboek met radio en televisie), published at a time when television sets were very uncommon (one statistic is fewer than 7000 working sets in the US and only 9 stations on the air in the whole country - all on the east coast except for 2 in Chicago and one in Los Angeles.) A small paperback, measuring just 14 cm by 10.75 cm. 130 pp.