¿Por qué no encuentro sentido a mi vida?Alan Downs, Miguel Portillo · First published 2013Open the Tome
Race and the Atlanta Cotton States Exposition of 1895 Georgia Southern University Jack N and Addie D Averitt LecAlan C. Downs · First published 2011Open the Tome
Porque no encuentro sentido a mi vida? / The Half-Empty HeartAlan Downs · First published 2005Open the Tome
The Persian Gulf CrisisMark Thompson, Alan Downs, Army War College (U.S.). Strategic Studies Institute, Research Triangle Institute · First published 1991Open the Tome
