Indian Migrations, As Evidenced By Language: Comprising The Huron-Cherokee Stock, The Dakota Stock, The Algonkins, The Chahta-Muskoki Stock, The Mound - Paperback
The Origin of Primitive Money: (with illustrations) - Paperback
!Ah y Le Lo Lay, Le Lo Ley! Musica Tipica de Puerto Rico - Paperback
!Búscalo! (Look It Up!): A Quick Reference Guide to Spanish Grammar and Usage - Hardcover
!Búscalo! (Look It Up!): A Quick Reference Guide to Spanish Grammar and Usage - Paperback
!Despierta!: ¿Vives o sobrevives? - Paperback