«New Architecture on Fifth Avenue; Wall of Apartment Houses Makes Startling Change in Upper AreaLocal Concerts Fill a Busy Week: April's End in the Recital Halls – Last Music in Old Aeolian Building – an Active New York Season Closing». 24 de abril de 1927. p. X8. ISSN0362-4331. ProQuest104189900.
«Gold Medal Auction Arouses Comment: Two Other Fifth Avenue Properties in the Day Gould Estate Sale.». 26 de diciembre de 1926. p. RE2. ISSN0362-4331. ProQuest103814637.
«New Aeolian Hall Dedicated As Music Home: Building at Fifth Ave. and 54th Street Is Opened With Exercises Conferring Its Use on People of City». 24 de febrero de 1927. p. 15. ProQuest1130368359.
«Rockefeller Realty Sale Recalls Feud With Col. Astor: Blocked Latter's Efforts to Enlarge St. Regis by Buying Adjacent Realty; Operators Now Own Corner». 9 de septiembre de 1923. p. C1. ProQuest1114579507.
Horsley, Carter B. (14 de enero de 1979). «Places: The Aeolian Building: A Bit of Paris on 5th Ave.». p. R4. ISSN0362-4331. ProQuest121016489.
«Fourteen Floors For Music Will Be Built on 5th Ave.: Aeolian Company Has Decided Upon Height and Type of Building It Will Erect on Old Rockefeller Property». 12 de julio de 1925. p. B2. ProQuest1112930880.
«Real Estate News: $12,000,000 Involved in Fifth Av. Deal Former Wm. Rockefeller Home at 54th St. Corner Bought by Commodore Gould. Who Leases It». 7 de febrero de 1925. p. 21. ProQuest1113108285.
«$112,000 Animal Rental for Former Rockefeller Realty: Lessee Will Pay $307 a Day for Use of Ground at Fifth Avenue and 54th Street; New Midtown Tenants». 12 de febrero de 1925. p. 26. ProQuest1112792640.
«Aeolian Co. Back on 5th Av. After 12 Years: William Rockefeller's Old Home at 54th St. to Be Replaced by Twelve-story Structure for Music Firm». 1 de abril de 1925. p. 20. ProQuest1112993398.
«Wm. Rockefeller Estate Sells Million Mortgage: Loan Is on Property at Fifth Ave. and 34th St. Leased to Aeolian Co.». 5 de junio de 1925. p. 25. ProQuest1112917631.
«Charles A. Gould Rail Device Maker, Dies of Pneumonia». 6 de enero de 1926. p. 17. ProQuest1112695613.
«New Aeolian Building Scorched, 5th Ave. Traffic Tied Up by Fire». 23 de abril de 1926. p. 1. ProQuest1112991304.
«Auctioneer to Sell $6,000,000 Could Realty: Sale of Commodore's Business Properly by Joseph P. Day Largest Since Astor and Sage Transfers». 22 de noviembre de 1926. p. 1. ProQuest1112654053.
«$6,714,000 Buildings Sell In Two Hours: Charles A. Gould Estate, Including New Aeolian Structure and 11 Others, Goes in Record Auction Auctioneer Makes $300 Minute Fees Detectives Guard Bidders, Who Have Purchasing Power of $300,000,000». 25 de enero de 1927. p. 1. ProQuest1113509137.
«Bank Lends $1,800,000 On New Aeolian Building». 6 de febrero de 1927. p. C2. ProQuest1113520047.
«New Architecture on Fifth Avenue; Wall of Apartment Houses Makes Startling Change in Upper AreaLocal Concerts Fill a Busy Week: April's End in the Recital Halls – Last Music in Old Aeolian Building – an Active New York Season Closing». 24 de abril de 1927. p. X8. ISSN0362-4331. ProQuest104189900.
«Woman Pays $200,000 for 5th Ave. Space: Elizabeth Arden Rents Floor at Fifty-fourth Street for Fifteen-Year Term». 20 de julio de 1929. p. 24. ProQuest1111647487.
«Motion Picture Preview Will Aid Infirmary Fund: 3 Performances Announced for Tomorrow's Benefit». 4 de noviembre de 1933. p. 11. ProQuest1221377718.
«Real Estate News in City and Suburbs: Aeolian Joins Music Center on 57th Street». 24 de enero de 1938. p. 30. ProQuest1256331831.
«Dying Motorist Smashes Into 5th Av. Window: Nobody Hurt by Runaway Car at 54th St.; Owner Dead of a Heart Attack». 21 de junio de 1949. p. 21. ProQuest1327157112.
«Recording Studios Leased on 54th St.». 22 de julio de 1954. p. 27. ProQuest1322538475.
«Pacific Affairs Institute Leases Midtown Space: Research Agency Takes Two Floors in 54th Street; Other Business Renting». 13 de octubre de 1943. p. 30. ProQuest1268031509.
Born, Pete (23 de julio de 2002). «Sephora to Abandon New York Flagship, Faconnable Jumps in». p. 1. ProQuest231177187.
Croghan, Lore (23 de diciembre de 2002). «Prices drop for office buildings». Crain's New York Business18 (51): 1. ProQuest219200118.
«Yamaha Sets Up Company in N.Y. to Support Music Players». 19 de mayo de 2004. p. 1. ProQuest448489700.
«Aeolian Building Wins Medal as Best of Year: One Park Ave. Corporation's Structure Awarded 2d Prize by Fifth Ave. Association». 17 de diciembre de 1926. p. 40. ProQuest1112659027.
«Gold Medal Auction Arouses Comment: Two Other Fifth Avenue Properties in the Day Gould Estate Sale.». 26 de diciembre de 1926. p. RE2. ISSN0362-4331. ProQuest103814637.
therealdeal.com
«689 Fifth Avenue». The Real Deal New York. Archivado desde el original el 5 de diciembre de 2017. Consultado el 18 de mayo de 2021.
Pincus, Adam (1 de mayo de 2012). «Who reigns in retail?». The Real Deal New York(en inglés estadounidense). Consultado el 18 de mayo de 2021.