Rev. Norman Nash designed the building. Architect Charles Bullfinch was asked to review the plans, and designed the steeple. Marjorie Warvelle Harbaugh, "Charles Bullfinch," The First Forty Years of Washington DC Architecture, (Lulu, 2013), p. 362.[1]
Trump, James D. (25 de agosto de 1975). National Register of Historic Places Inventory – Nomination Form: Cathedral of Learning. Pennsylvania's Historic Architecture & Archaeology. Archivado desde el original el 22 de abril de 2012. Consultado el 8 de octubre de 2009. «"... in the literal sense of the word, Late Gothic Revival architecture culminated in the University of Pittsburgh's skyscraping Cathedral of Learning". Marcus Whiffen, architecture historian».
web.archive.org
Knox College (Illinois) (ed.). «Old Main». Archivado desde el original el 24 de diciembre de 2013. Consultado el 11 de junio de 2015.
«Collegiate Gothic». Bryn Mawr Library. Archivado desde el original el 3 de marzo de 2019. Consultado el 17 de octubre de 2018.
Trump, James D. (25 de agosto de 1975). National Register of Historic Places Inventory – Nomination Form: Cathedral of Learning. Pennsylvania's Historic Architecture & Archaeology. Archivado desde el original el 22 de abril de 2012. Consultado el 8 de octubre de 2009. «"... in the literal sense of the word, Late Gothic Revival architecture culminated in the University of Pittsburgh's skyscraping Cathedral of Learning". Marcus Whiffen, architecture historian».