The collection consists of a report created by Knubel documenting the demolition of Radio Row, a warehouse district on Manhattan's lower west side in the Financial District, to make space for the construction of the World Trade Center. The report, entitled "Spring On Radio Row: The World Trade Center Advances" was written as an assignment for an Urban Design Theory class Knubel was enrolled in as a special student in the Spring 1966. The report includes original photographs by Knubel of Radio Row before demolition, as well as collected images of the preliminary design and site plan for the World Trade Center from The Port of New York Authority. Also included in the collection are newspaper clippings from 1966 regarding the World Trade Center plan and correspondence with Look Magazine's Editorial Board regarding a possible submission.