| 
 İnan J., Alföldi-Rosenbaum E., Roman and Early Byzantine Portrait Sculpture in Asia Minor, London 1966 
 | 
	
		| 
 İnan J., Alföldi-Rosenbaum E., Römische und Frühbyzantinische Porträtsplastik aus der Türkei. Neue Funde, Mainz am Rhein 1979 
 | 
	
		| 
 Smith R.R.R., "Late roman philosophers", Erim K.T. - Smith R.R.R. (eds.), Aphrodisias Papers 2. The theatre, a sculptor’s workshop, philosophers, and coin types, Ann Arbor 1991, JRA Supplement 2, 144-158 
 | 
	
		| 
 Smith R.R.R., "A new portrait of Pythagoras", K.T.Erim, R.R.R., Smith (eds.), Aphrodisias Papers 2. The theatre, a sculptor’s workshop, philosophers, and coin types, Ann Arbor 1991, JRA Supplement 2, 159-167 
 | 
	
		| 
 Smith R.R.R., "Late Roman Philosopher Portraits from Aphrodisias", The Journal of Roman Studies, 80, 1990, 127-155 
 |