The Rubaiyat of Omar Khayyam Editions by Publisher
Adam and Charles Black
Arden Book Company
Avenel Books (A Division of Crown Publishers, Inc.)
Barse & Hopkins
Brentano's
Collins
David McKay Company
De Luxe Editions
Dodge Publishing Company
Doubleday, Doran & Company, Inc.
Duffield & Company
Edgar Backus
Garden City Books
George G. Harrap
George H. Doran Company
Grosset & Dunlap
H. Kashani
H.M. Caldwell Co.
Hallmark Cards
Henry Altemus
Henry T. Coates & Co.
Hodder and Stoughton
Houghton, Mifflin and Company
Hurst & Company Publishers
J. M. Dent & Sons Ltd. (New York: E. P. Dutton & Co. Inc.)
Macmillan and Co., Limited (The Macmillan Company)
Miller Graphics (Distributed by Crown Publishers, Inc.) but designed/produced by Productions Liber SA
Pocket Books, Inc.
Quality Paperback Book Club
Random House
Shakespeare House
Simpkin, Marshall, Hamilton, Kent & Co.
T.N. Foulis
Tahrir Iran Co., 'Kashani Bros.'
The Easton Press
The Heritage Press
The Illustrated Editions Company
The Peter Pauper Press
The Rodale Press
Thomas B. Mosher
Thomas Y. Crowell & Company
Thomas Y. Crowell Company
Three Sirens Press
Walter J. Black
Willey Book Co.