The English National Opera House Three factors determine the existence of any given theatre and have to be considered with reference to my proposed National Opera House, namely, tradition, custom, and enterprise.
"The Operatic Problem"
William Johnson Galloway
Our food supply contained only the prime factors of primitive nourishment.
"My Attainment of the Pole"
Frederick A. Cook
In both Europe and America it is one of the conspicuous factors in present-day dramatic activity.
"Contemporary One-Act Plays Compiler: B. Roland Lewis"
Sir James M. Barrie George Middleton Althea Thurston Percy Mackaye Lady Augusta Gregor Eugene Pillot Anton Tchekov Bosworth Crocker Alfred Kreymborg Paul Greene Arthur Hopkins Paul Hervieu Jeannette Marks Oscar M. Wolff David Pinski Beulah Bornstead Herma