Herodotus 
 * Vitruvius 
 * Claudias Ptolemy 
 * Lucas N. H. Bunt, Phillip S.Jones, Jack D. Bedient  
 * H Arthur Klein 
 *  R. A. Cordingley 
 * Gardiner 
 * Antonio Loprieno  
 * Michael Rice 
 * Gillings 
 * Somers Clarke and R. Englebach 
 * Francis H. Moffitt