20,000 Spanish American Pseudonyms is a compilation of pen names used by writers of Spanish America from the earliest colonial times until the present. Divided into two main sections, the book first provides listings of names by pseudonym with corresponding real name, then from real name to corresponding pseudonyms. Each entry consists of four elements : (1) a pseudonym in normal word order (2) the writer"s name, last name first (3) one or more short references to the source(s) of the association of the pseudonym and name that correspond to more detailed entries in the "Works Cited" section, and (4) an entry number between one and 20,000. Those readers wishing to verify a pseudonym for an author, and those wishing to find more detail regarding the author"s use of a particular pseudonym will find 20,000 Spanish American Pseudonyms an invaluable reference tool for beginning their research.