"Universität Trier: DBLP Bibliography Server" http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/d/Dougherty:Randall.html
Randall Dougherty's results at International Mathematical Olympiad https://www.imo-official.org/participant_r.aspx?id=4
"The Mathematical Association of America's William Lowell Putnam Competition" http://www.maa.org/awards/putnam.html
*Randall Dougherty at the Mathematics Genealogy Project https://mathgenealogy.org/id.php?id=14967
"The Ohio State University Department of Mathematics--Alumni News" http://www.math.ohio-state.edu/history/math-matrix/Sp90/
Dougherty, Freiling, and Zeger. Insufficiency of Linear Coding in Network Information Flow.[1] and [2] http://code.ucsd.edu/~zeger/publications/journals/DoFrZe05-IT-Insufficiency/DoFrZe05-IT-Insufficiency.pdf