The papers of Siegfried B. Rolland span the years 1945 to 1988, with the bulk of the material covering the years 1948 to 1984.

The papers include records relating to his work with university committees and non-university organizations; lecture notes and other material concerning his teaching at the University of Idaho; material representing his historical research, especially on Cadwallader Colden, a prominent figure in New York colonial history; lecture notes and class notes from his days as a graduate student and his pre U of I teaching career; and finally a collection of correspondence, both professional and personal, the latter being from his father and step-mother.