These materials of abstract expressionist artist Alfonso Ossorio and his partner Ted Dragon contain correspondence with family and friends (including many well-known artists), photographs of Dragon and Ossorio and their circle of friends, as well as their estate in East Hampton, "The Creeks." Also included are Ossorio's materials from his time as a Harvard undergraduate and records detailing Ossorio's work with conifers.

This series contains Ossorio's correspondence. Files may also contain pictures and fliers, etc. The materials are arranged alphabetically, by correspondent's last name. There are some small groupings of correspondence arranged by subject, such as "museum correspondence," "awards," etc.