Series IV is comprised of a wide variety of topics Tieszen was interested in, including assorted philosophical subjects and related articles on them, papers by and about colleagues of Tieszen's, and papers relating to his various research interests.

Series IV is comprised of a wide variety of topics Tieszen was interested in, including assorted philosophical subjects and related articles on them, papers by and about colleagues of Tieszen's, and papers relating to his various research interests.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.

Series V consists of files pertaining to colleagues collected by Richard L. Tieszen, including articles, papers, drafts, notes, and correspondence relating to different colleagues & affiliates of Tieszen's.