These folders include sketches and plans for kinetic sculptures and decorative lawn sculptures created and designed by Walter in the barn studio at the Einsel home in Westport Connecticut. Many of these files were kept in flat files in the barn studio after Walter's death in 1998.

These folders contain brochures featuring samples of the Einsels's professional work, as well as specific pieces intended to be sent to clients or potential clients to promote thier work.

These folders contain sketches, plans, correspondence, and documents related to the Age of Information exhibit at EPCOT Center at Disney World for which Walter created a kinetic sculpture installation which remained there through the 1980s into the early 1990s. The subseries Photographs of Series 2. Professional work contains images of the exhibit and its construction.

Includes numerous sketches and designs for unidentified clients.

These folders contain documents and designs for a miniature golf course created by Walter Einsel in the 1990s. The Photographs subseries of Series 2. Professional work contains images related to the miniature golf course.

These folders consist of tearsheets from various publications featuring work by the Einsels, as well as other printed materials, and original finished artwork by the Einsels.