Editoriales

•  Jazzybee Verlag (12)
•  Editorial JA (1)
•  Editorial CDED (1)
•  Taller del Éxito (1)
•  SHEBA BLAKE PUBLISHING (1)

Autores

•  Marco Aurelio (2)
•  Sun Tzu (1)
•  Lao Tse (1)
•  James Allen (1)
•  P. T. Barnum (1)
•  Khalil Gibran (1)
•  Napoleon Hill (1)
•  Dale Carnegie (1)
•  Benjamin Franklin (1)
•  Douglas Fairbanks (1)
•  Ralph Waldo Emerson (1)
•  Wallace Delois Wattles (1)