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"Towns Under a Single Roof"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 66, no. 1702. October 27, 1900. p. 532. Archived(PDF) from the original on September 18, 2020. Retrieved April 24, 2022 – via columbia.edu.
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"The Tallest building in New York"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 57, no. 1473. June 6, 1896. p. 972. Archived(PDF) from the original on July 27, 2020. Retrieved April 24, 2022 – via columbia.edu.
"Buildings Projected"(PDF). The Real Estate Record: Real Estate Record and Builders' Guide. Vol. 57, no. 1460. March 7, 1896. p. 403. Archived(PDF) from the original on July 28, 2020. Retrieved April 24, 2022 – via columbia.edu.
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