If you are interested in video options to help visualize ways to deal with large enrollment courses, here are some options:
University of Kentucky's Large Enrollment Playlist (10 videos)
Amy Bourne's seminar on Teaching Large-Enrollment Courses
Dan Faltesek's seminar on Teaching Large-Enrollment Courses
Here at the Center for Transformative Teaching, we have instructional designers to assist you with teaching a large enrollment course along with a library of other potentially useful sources. Some recommended readings are:
Ambrose, Susan A., et al. How Learning Works: Seven Research-Based Principles for Smart Teaching. 1 edition, Jossey-Bass, 2010.
Anders, Brent. How to Enhance Instructional PRESENCE: Research & Experience Based Techniques to Improve Both Online & Face-to-Face Instruction. Sovorel Publishing Company, 2017.
Bain, Ken. What the Best College Teachers Do. 1 edition, Harvard University Press, 2004.
Felder, Richard M., and Rebecca Brent. Teaching and Learning STEM: A Practical Guide. 1 edition, Jossey-Bass, 2016.
Horton, William. E-Learning by Design. 2 edition, Pfeiffer, 2011.
Major, Claire Howell. Teaching for Learning. 1 edition, Routledge, 2015.
Manning, Susan, and Kevin E. Johnson. The Technology Toolbelt for Teaching. 1 edition, Jossey-Bass, 2011.
Wiggins, Grant, and Jay McTighe. Understanding By Design. 2nd Expanded edition, Assn. for Supervision & Curriculum Development, 2005.