Caution: Professionals and amateurs are hereby warned that all of Gregory's plays, films, books and dramatic works being fully protected under the copyright Laws of the United States of America, the British Empire, including the Dominion of Canada, and all other countries of the Universal Copyright and Berne Conventions is subject to royalty. All public rights, including professional, amateur, motion picture, recitation, lecturing, public reading, radio and television broadcasting, and the rights of translation into foreign languages, are strictly reserved. Particular emphasis is laid on the question of readings, permission from which must be secured in writing. | 
