[Core] Core J2EE Patterns by Deepak Alur et al. (Prentice Hall, 2001)
[Gof] Design Patterns by Erich Gamma et al. (Addison-Wesley, 1995)
[EJB Patterns] EJB Design Patterns by Floyd Marinescu (Wiley, 2002)
[JavaBeans] Mastering Enterprise JavaBeans, Second Edition by Ed Roman et al. (Wiley, 2002)