Mathematical notes, correspondence, article reprints and other materials documenting Professor Brown's research in mathematics, particularly ring theory, real analysis, Schur's Lemma, limit theorems and other problems.

This collection is organized into three series:

• 1. Notebooks and loose mathematical notes, 1941-1964
• 2. Collaboration with Neal H. McCoy, 1945-1956
• 3. Correspondence, class materials and other papers, 1930-1953