Most of his works are public and commercial buildings, as well as development plans for cities and neighborhoods scattered throughout Israel. Klarwein's original design for the Knesset building unanimously won the 1957 architecture competition, and he continued to work on the project until completion, but some modifications were made to the plans.Susan Hattis Rolef. The Knesset Building - Architectural Highlights He designed with Richard Kauffmann and Heinz Rau, the campus of the Hebrew University.Lotte Cohn: Richard Kauffmann, Architect and City Planner. [Richard Kauffmann: Architekt und Stadtplaner (de.), Jerusalem: Brief an Bath-Scheva Kauffmann, 1978; English.], Monika Iacovacci (Übs.), auf: Richard Kauffmann: Architect and Town Planner – Biography, Retrieved 11 April 2015.
