Envelopes #257-274, 1913-1917, undated

#257: Pittsburgh Blue Book, 1913-1914

#258: 1914 Book of Prominent Families (issued by Index Co.), 1914

#259: Request of Pittsburgh Press Club for contribution to Building Fund, 1917

#260: Saint Cloud Country Club, undated

#261: Breeze, Charles, 1913-1914

#262: Promise to Mr. L.E. Johnson, 1913-1914

#264: Contract for new Mercedes car, 1913-1914

#265: Joint account of A.W. Mellon, R.B. Mellon, and H.C. Frick, undated

#266: Purchase of Thompson property in Wooster, Ohio, for Sallie F. Lott, 1913-1914

#267: New York, New Haven & H[udson?] Railroad Co. bond subscription, 1913

#268: $100,000 donation to the Y.M.C.A/Y.W.C.A, 1914-1915

#269: Tinstman, H.O., Mrs., 1914

#270: Statue of Mr. Chas. B. MacDonald to be executed by Prince Paul Troubetzkoy, ultimately to be presented to the National Golf Links of America, 1914

#271: Project for athletic field at Beverly, Mass., revived, 1914

#272: Expenses of Dr. Jesse Benedict Carter in connection with endowment for American Academy in Rome, 1914

#273, #273 A: New entrance to Union Savings Bank (F.J. Osterling, architect), 1914-1915

#274: $15,000 donation to the Diocese of Pittsburgh, 1914-1915