Masot u-mehkarim: be-musar uve-mishpat Yisrael.
Jerusalem: Reuben Mas, 1972. Hardbound. Small octavo, blue cloth with gold lettering, 131 pp. Text is in Hebrew. More
Jerusalem: Reuben Mas, 1972. Hardbound. Small octavo, blue cloth with gold lettering, 131 pp. Text is in Hebrew. More
Jerusalem: Hotsaat Ruben Mas, 1977. Hardbound. Small octavo, blue cloth with gold lettering, 101 pp. In Hebrew. More
Tel Aviv: Hotsaat Sefarim M. Neyman, 1964. Hardbound. Octavo in edgeworn dust jacket, frontispiece photo of the author, 272 pp., errata. Text is in Hebrew. More