File	Title	Manuscript Id
Chapter 25. The Unified Model of Active Galaxies	astro_tutorial_ch25_the_unified_model_of_active_galaxies.html	51ab436ab62f8bbc5b000005
DLAP questions	astro_tutorial_ch25_the_unified_model_of_active_galaxies_dlap.xml	51ab436ab62f8bbc5b000005