Kuwa no hatsuga jōkyō narabini kaiko no shiiku jiki ni kansuru chōsa.
Contributors: Japan. Sanshikyoku.
Publisher: Nōrinshō Sanshikyoku
Published: 1931
Place of publication: [Tokyo]
Language: jpn
Number of pages: 45
Subjects: Mulberry -- Breeding -- Japan -- Statistics; Silkworms -- Breeding -- Japan -- Statistics
Notes: Cover title.

Chiefly tables.