Encyclopaedia Judaica, v. 16 (Zeitlin, Solomon, 1892- )
His Megillat taanit, 1922.
His Studies in the early history of Judaism, 1973-78, v. 4, p. vii (Professor Solomon Zeitlin, b. May 28, 1886; d. Dec. 28, 1976, at the age of ninety)
LC manual auth. cd. (hdg.: Zeitlin, Solomon, 1886-1976; phone call to Prof. Sidney B. Hoenig, Zeitlin's literary executor, 2/7/78, confirmed d. of b. as 1886, based on recently discovered info.)