Excavations at Seibal, Department of Peten, GuatemalaGordon Randolph Willey, A. Ledyard Smith, Jeremy A. Sabloff, Ronald L. Bishop, Garman Harbottle, Robert L. Rands, Edward V. Sayre, Gordon R. Willey · First published 1978Open the Tome
Man Across the Sea Problems of Pre-Columbian ContactsRiley, Carroll L., Charles Kelley Campbell W. Pennington & Robert L. Rands.(edit · First published 1976Open the Tome
