Beikoku ni okeru nenshōsha rōdō to furyōka no mondai
Series: Kokuto Chōritsu shiryō -- A87
Publisher: Kokuritsu Kokkai Toshokan Chōsa Rippō Kōsakyoku
Published: 1959
Place of publication: [Tōkyō]
Language: jpn
Number of pages: 62
Notes: Cover title.