Sefer ha-yashar ʻal tokhaḥat u-musar
Subtitle: ḥibro Rabenu Yaʻaḳov Tam
Publisher: Bi-defus Meshulam Zalman ben Aharon
Published: 1762
Place of publication: Sulzbach
Language: heb
Number of pages: 39
Subjects: Jewish ethics
Work titles: Sefer ha-yashar (Ethical work)
Notes: Erroneously ascribed to Jacob b. Meir Tam.