Consists primarily of Vandenberg Center Sculpture Project related correspondence, but also other general correspondence. Consists of letters to and from various people and organizations involved in the acquisition of La Grande Vitesse, including: members of the National Foundation for the Arts; the City of Grand Rapids; the Perls Galleries of New York, and government officials. Also included is correspondence on the dedication of other Calder works such as: “Calder on the Rooftop” and Calder’s Bicentennial airplane painting project “Flying Colors.”

Correspondence related to specific later projects, such as the 25th Anniversary Celebration, or the Calder Commemorative Stamp Project, as listed in the later series for those projects. Other general correspondence from the time periods of those projects is included in this section.