Cohors Cthulhu Player's GuideMatt Goetz, Nathan Dowdell, Douglas Seacat, John Houlihan, Nick Brown · First published 2024Open the Tome
Massachusetts discovery practiceJohn A. Houlihan, Michael G. Bongiorno · First published 2002Open the Tome
The influence of just war theory in the Middle Ages within ChristendomJohn A. Houlihan · First published 1985Open the Tome
