Linguaphone conversational course
Subtitle: Esperanto
By: text prepared by M.C. Butler.
Contributors: Linguaphone Institute.
Edition: 3rd ed., revised and corrected.
Series: Linguaphone pictorial language series
Publisher: Linguaphone Institute
Published: 1930
Place of publication: London
Language: eng
Number of pages: 144
Other titles: Esperanto in 30 lessons.; Esperanto in thirty lessons.
Notes: Cover title: Esperanto in 30 lessons.