20世紀 放送史
Subtitle: Shiryō hen
By: NHK Hōsō Bunka Kenkyūjo hen
Publisher: NHK Shuppan
Published: 2003
Place of publication: Tōkyō
Language: jpn
Number of pages: 727
Subjects: Broadcasting; History; Sources
Other titles: 20-seiki hōsōshi; Nijisseiki hōsōshi.
Notes: Includes index.