Charles James Jackson, London, for permission to quote from his Illustrated History of English Plate;
Francis Hill Bigelow, author; and The Macmillan Company, publishers, for permission to reproduce illustrations from Historic Silver of the Colonies;
H.G. Dwight, author; and Charles Scribner's Sons, publishers, for permission to quote from Constantinople, Old and New, and from the article on "Turkish Coffee Houses" in Scribner's Magazine;
Walter G. Peter, Washington, D.C., for permission to photograph and reproduce pictures of articles in the Peter collection at the United States National Museum;
Mary P. Hamlin and George Arliss, authors, and George C. Tyler, producer, for permission to reproduce the Exchange coffee-house setting of the first act of Hamilton;
Judge A.T. Clearwater, Kingston N.Y.; R.T. Haines Halsey, and Francis P. Garvan, New York, for permission to publish pictures of historic silver coffee pots in their several collections;
The secretaries of the American Chambers of Commerce in London, Paris, and Berlin;
Charles Cooper, London, for his splendid co-operation and for his special contribution to chapter XXXV;
Alonzo H. De Graff, London, for his invaluable aid and unflagging zeal in directing the London researches;
To the Coffee Trade Association, London, for assistance rendered;