דע את העולם
Subtitle: אנציקלופדיה מדעית לנוער
Edition: Mahad. 4.
Publisher: נ. טברסקי
Published: 1957
Place of publication: תל־אביב
Language: heb
Subjects: Hebrew Encyclopedias and dictionaries; Juvenile literature
Other titles: Daʻ et ha-ʻolam; ʻOlam be-reshito.; Olam ṿeha-adam.; ʻOlam ke-mefarnes ha-adam.; ʻOlam ha-kokhavim.; ʻOlam ha-ʻuvdot.; ʻOlam ha-meromim.; ʻOlam ha-temurot.; ʻOlam ha-amtsaʼot.
Notes: Mahadurat ha-Arets shelanu.