The Roman Near East in the Time of the Tetrarchy and Constantine I (ad 284–337)
Italy from the Crisis of the Third Century to the Tetrarchy
Tetrarchy
Chapter Three. Establishing Tetrarchy: Phibun, Phin, Phao and Sarit (1944–57)
The Tetrarchy, 284–305
Quattro cavalli e quattro tetrarchi
I cosiddetti "quattro Tetrarchi" di Venezia.