Trapezites: An Ancient Currency Conversion Website https://trapezites.com/
Academia.edu Profile
American Numismatic Society http://numismatics.org/
Andrew W. Mellon Engaged Scholars Initiative: A Texas Model (University of Texas at Austin) https://liberalarts.utexas.edu/research/mellon-esi/
Online Coins of the Roman Empire http://numismatics.org/ocre/