File Latino Mural Art (Flint Public Main Library lecture), 2003-2004 Box 9 Online (includes a digital PowerPoint presentation) In: George Vargas papers, 1933-2016 (with gaps), undated » Papers, Publications, and Non-conference Lectures, 1953-2015 (scattered), undated
File Taller de Gráfica Popular (TGP) lecture, 2008 Box 9 Online (includes a digital PowerPoint presentation) In: George Vargas papers, 1933-2016 (with gaps), undated » Papers, Publications, and Non-conference Lectures, 1953-2015 (scattered), undated