Autores

•  Sun Tzu (2)
•  James Allen (2)
•  Friedrich Nietzsche (2)
•  Ralph Waldo Emerson (2)
•  Wallace Delois Wattles (2)
•  Lao Tse (1)
•  P. T. Barnum (1)
•  Emily Brontë (1)
•  Napoleon Hill (1)
•  L.m. Montgomery (1)
•  Benjamin Franklin (1)
•  Frances Hodgson Burnett (1)
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