Ruins of Polol and other archaeological discoveries in the Department of Peten, Guatemala

von Lundell, Cyrus Longworth
Contributions to american archaeology no. 8
Carnegie Institution of Washington publication No. 436
Washington-DC : Carnegie Institution, 1934.
Umfang/Format: S. 173-186 : 4 Ill. ; 9 Taf.

Preliminary sketch of the phytogeography of the Yucatan Peninsula

von Lundell, Cyrus Longworth
Contributions to american archaeology no. 12
Carnegie Institution of Washington publication No. 436
Washington-DC : Carnegie Institution, 1934.
Umfang/Format: S. 255-355 : 1 Ill.