The encyclopedia Britannica Company Ltd. The Encyclopaedia Britannica Company Ltd. The Encyclopædia Britannica Company Ltd. The Encyclopaedia Britannica Company, Ltd. The Encyclopædia Britannica Company, Ltd. The Encyclopaedia Britannica Company Ltd The Encyclopaedia Britannica Company, Ltd The Encyclopædia Britannica Company, Ltd The encyclopedia Britannica The encyclopaedia Britannica :