American Antiquarian Society, Worcester, Mass. Proceedings No. 44. Oct. 1865, page 63. Report of S. F. Haven, LL.D.

Proceedings No. 55. Oct. 1870, page 42. Report of S. F. Haven, LL.D.

Proceedings No. 56. April, 1871, page 7. Report of S. F. Haven, LL.D.

Proceedings No. 66. April, 1876, page 16. "The Mayas," by Stephen Salisbury, jr.

Proceedings No. 69. April. 1877, page 70. "Dr. Le Plongeon in Yucatan," by Stephen Salisbury, jr.

Proceedings No. 70. Oct. 1877, page 89. Report of S. F. Haven, LL.D.

Proceedings No. 71. April, 1878, page 71. "Terra Cotta Figure from Isla Mujeres," by Stephen Salisbury, jr. Page 91, "The Mexican Calendar Stone," by Philipp J. J. Valentini, Ph.D.

Proceedings No. 72. Oct. 1878, page 65. "Archæological Communication on Yucatan," by Augustus Le Plongeon, M.D. Page 77, "Notes on Yucatan," by Mrs. Alice D. Le Plongeon.

Proceedings No. 73. April, 1879, page 81. "Mexican Copper Tools," by Philipp J. J. Valentini, Ph.D. Page 113, "Letter from Dr. Augustus Le Plongeon."

Proceedings No. 74. Oct. 1879, page 71. "The Katunes of Maya History," by Philipp J. J. Valentini, Ph.D.