הכתב האבוד
Contributors: Shpigel, Yiśraʼel
Series: Sidrat sifre Morshet sofrim; Moreshet sofrim
Publisher: מורשת סופרים
Published: 1959
Place of publication: ירושלים
Language: heb
Number of pages: 145
Other titles: ha-Ketav he-avud