52. On the Chane-abal (Four-Language) Tribe and Dialect of Chiapas. In the American Anthropologist, January, 1888.

53. A Grammar of the Cakchiquel Language of Guatemala. Translated from an Ancient Spanish MS., with an Introduction and numerous Additions. pp. 67. In Proceedings of the American Philosophical Society, 1884.

54. The Annals of the Cakchiquels. The Original text, with a Translation, Notes and Introduction. pp. 234. Illustrated. Philadelphia, 1885.

55. On some Affinities of the Otomi and Tinné Stocks. International Congress of Americanists, 1894.

56. Observations on the Chinantec Language of Mexico and the Mazatec Language and its Affinities. In Proceedings of the American Philosophical Society, 1892.

57. Notes on the Mangue dialect. In Proceedings of the American Philosophical Society, November, 1885.

58. On the Xinca Indians of Guatemala. In Proceedings of the American Philosophical Society, October, 1884.

59. The Ethnic Affinities of the Guetares of Costa Rica. In Proceedings of the American Philosophical Society, December, 1897.

60. On the Matagalpan Linguistic Stock of Central America. In Proceedings of the American Philosophical Society, December, 1895.

61. Some Vocabularies from the Mosquito Coast. In Proceedings of the American Philosophical Society, March, 1891.