Ciencia elemental por grados
By: por Ellis C. Persing y Elizabeth K. Peeple.
Contributors: Peeples, Elizabeth K.; Ballou, Frank Washington, 1879-
Publisher: D. Appleton-Century company, incorporated
Published: 1940
Place of publication: New York
Language: spa
Subjects: Science -- Juvenile literature.
Genres: Juvenile literature.
Notes: "Editada por Frank W. Ballou"