Fauna of the caves of Yucatan / by A.S. Pearse … With the collaboration of Nathan Banks, Joseph C. Bequaert, Joseph C. Chamberlin [and others] ..

The cenotes of Yucatan; a zoological and hydrographic survey / A. S. Pearse, Edwin P. Creaser, F. G. Hall

The cenotes of Yucatan; a zoological and hydrographic survey / A. S. Pearse, Edwin P. Creaser, F. G. Hall