Cuyás, A., & Brett, L. E. 1. (1953). Appleton's revised English-Spanish and Spanish-English dictionary: Containing more than one hundred and twenty thousand principal and subsidiary terms, with idioms and technical usages, new pronouncing keys and the fundamental forms of theirregular verbs (4th ed.). New York: Appleton-Century-Crofts.

Cuyás, Arturo, and Lewis E. 1895- Brett. Appleton's Revised English-Spanish and Spanish-English Dictionary: Containing More Than One Hundred and Twenty Thousand Principal and Subsidiary Terms, With Idioms and Technical Usages, New Pronouncing Keys and the Fundamental Forms of Theirregular Verbs. 4th ed. New York: Appleton-Century-Crofts, 1953.

Cuyás, Arturo, and Lewis E. 1895- Brett. Appleton's Revised English-Spanish and Spanish-English Dictionary: Containing More Than One Hundred and Twenty Thousand Principal and Subsidiary Terms, With Idioms and Technical Usages, New Pronouncing Keys and the Fundamental Forms of Theirregular Verbs. 4th ed. New York: Appleton-Century-Crofts, 1953.