Brad Yonaka

• Las monedas provisionales salvadoreñas en la Federación Centroamericana
• Provisional Coins of el Salvador in the Central American Federation
• Rendering Divine Names on Coins
• Variety Guide to the Silver and Copper Coinage of the Mexico City Mint 1732-1771
• Variety Guide to the Silver and Copper Coinage of the Mexico City Mint 1772-1821