Bracketed information taken from archival file or supplied by cataloger.
H.C. Hibbs was the architect of this project.
"Approved by architects. 8.8.28, 1-23-29"--stamped in ink next to title block.
Forms part of the Guastavino Fireproof Construction Company/George Collins architectural records and drawings, Dept. of Drawings & Archives, Avery Architectural and Fine Arts Library, Columbia University, New York, N.Y.
The condition of the tracing paper is fragile.