20 books
The Mayas, the Sources of Their History / Dr. Le Plongeon in Yucatan
Proceedings of the American Antiquarian Society, at the semi-annual meeting, held in Boston, April 26, 1865
Life at Harvard a Century Ago
A Memorial of Stephen Salisbury of Worcester, Mass (Classic Reprint)
An Essay on the Star Spangled Banner and National Songs (Classic Reprint)
A Partial Index to the Proceedings of the American Antiquarian Society, from Its Foundation in 1812 to 1880
The Mayas, the Sources of Their History
The Mayas
The Mayas, the Sources of Their History. Dr. Le Plongeon in Yucatan, His Account of Discoveries - Scholar's Choice Edition
The Mayas, the Source of Their History. Dr. Le Plongeon in Yucatan, His Account of Discoveries - Primary Source Edition
The Mayas, the Sources of Their History (Illustrated)
An Essay on the Star Spangled Banner and National Songs
A Memorial of Stephen Salisbury of Worcester, Mass
The Mexican Calendar Stone
The Mayas, the Source of Their History; Dr. Le Plongeon in Yucatan, His Account of Discoveries
A Memorial of Governor John Endecott; Read Before the American Antiquarian Society, at Their Annual Meeting, October 21, 1873
Troy and Homer; Remarks on the Discoveries of Dr. Heinrich Schliemann in the Troad
Troy and Homer
The Mayas, the Source of Their History
The Mayas, the Sources of Their History. Dr. Le Plongeon in Yucatan, His Account of Discoveries