River of Gold--Precolumbian treasures from Sitio ConteRobert J. Sharer · First published 1992Open the Tome
Archaeological investigations in the northern Maya Highlands, GuatemalaRobert J. Sharer · First published 1987Open the Tome
Preclassic archaeological investigations at Chalchuapa, El SalvadorRobert J. Sharer · First published 1985Open the Tome
The Prehistory of Chalchuapa, El Salvador Volume IIIRobert J. Sharer · First published 1978Open the Tome
The Prehistory of Chalchuapa, El Salvador, 3 volumesRobert J. Sharer · First published 1978Open the Tome
