The Rubin H. Landau papers consist of materials generated and assembled by Landau as a physics professor at Oregon State University (OSU) and document his research, writing, and teaching activites. The collection includes article reprints and conference papers; biographical materials; books; correspondence; presentations and talks; grant proposals; student assessments of teaching and course materials; reference materials; research notebooks; and computer code. The corresondence documents Landau's interactions with OSU faculty and off-campus colleagues and pertains to the review and publication of Landau's research and the funding and purchase of research equipment. It also includes letters of recommendation for former students and requests to Landau for reviews of books and articles. The grant proposals are predominantly for research funding but also document the development of a degree program in computational physics. These records include proposals as well as progress and final reports. Course materials are for general physics, modern physics, mathematical physics, relativity, dynamics and classical dynamics, and advanced quantum theory. The research notebooks document research conducted by Landau and graduate students that he advised. Research topics include proton nucleus scattering, quark models, kaon scattering, pion scattering from nucleons/nuclei, and relativistic heavy ions. The computer code was written by Landau for programs to solve integral forms of the Schroedinger equation for scattering and bound states. The compact discs contain course materials, talks, computer programs, and a curriculum vitae.