por Henderson, Derek [autor] | Poswillo, David E, 1927 [autor].
por Houston, William John Ballantyne [autor] | Tulley, W.j [autor] | Poswillo, David [colaborador] | Campbell, Alan C [colaborador] | Foster, Murray E [colaborador] | Ramos Tercero, Jose Antonio [traductor] | Houston, William John Ballantyne. Textbook of orthodontics.
por Robinson, Paul D [autor] | Howe, Geoffrey Leslie. Extraction of teeth | Poswillo, David [prologuista].