On the C-SPAN Networks:
Phillip Greenwalt is an Author with six videos in the C-SPAN Video Library; the first appearance was a 2014 Speech. The year with the most videos was 2019 with two videos. The year with the highest average number of views per program was 2015 with an average of 1,265 views per program. Most appearances with Chris Mackowski (2). Most common tags: Civil War, U.S. Revolutionary War.