St. Patrick's Cathedral: Specifications - Roof Restoration Project - Insulation and Lightning Protection, Phase II Roof Hatches (22 digital files, 323 KB), 25 January 1992-18 October 2001

St. Patrick's Cathedral: Specifications - Roof Restoration Project - Insulation and Lightning Protection, Phase II Roof Hatches (22 digital files, 323 KB), 25 January 1992-18 October 2001, disk: 2017009_01_114. Volz & Associates, Inc. collection, VOH. Alexander Architectural Archives. https://archives.lib.utexas.edu/repositories/2/archival_objects/129647 Accessed September 27, 2026.