"The Real Dictionary of Classical Antiquities" by F. Lubker is the most famous dictionary of names, terms and concepts of antiquity. Friedrich Lubker is an outstanding German philologist and teacher. His "Real Dictionary of Classical Antiquities" has been a major teaching aid in German and Russian classical gymnasiums since the late 19th century. Since then, the dictionary has been translated into 16 languages ​ ​ and is considered the largest and most reliable source in the study of the culture of Ancient Rome and Ancient Greece.