Across Central America.

Mode of access: Internet.

Incidents of travel in Central America, Chiapas, and Yucatan.

Mode of access: Internet.

Incidents of travel in Central America, Chiapas and Yucatan.

Mode of access: Internet.

Incidents of travel in Central America, Chiapas, and Yucatan /

Mode of access: Internet.

The Maya Indians of southern Yucatan and northern British Honduras,

"Authorities cited": p. 143.

The ancient cities of the New World:

Tr. of:Les anciennes villesdu Nouveau monde

The American Egypt : a record of travel in Yucatan /

Published also New York, 1909.