Biol., 250:496-506, 1995), indicating that display would not be feasible using pVII, pIX, or both. [0005] Despite the enormous attention focused on pIII- and pVIII-mediated phage display, there are no descriptions of the use of pVII or pIX for display of foreign proteins, polypeptides or antigen binding molecules, such as single chain antibodies or components of a heterodimeric protein complex.