2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/5773I present here an heterogeneous selection of nearby galaxies in which inner density waves (bars, spirals, m=1 modes) have been observed, and which are presumed to host a supermassive black hole, to illustrate the importance of such inner waves in the fueling of the central 10s of parsecs.9 pages, 5 figures, (see http below for high res. figures), To appear in "Carnegie Observatories Astrophysics Series, Vol. 1: Coevolution of Black Holes and Galaxies," ed. L. C. Ho (Pasadena: Carnegie Observatories, http://www.ociw.edu/ociw/symposia/series/symposium1/proceedings.html)'Astrophysicstext