The League of Nations, International Terrorism, and British Foreign Policy, 1934–1938Michael D. Callahan · First published 2018Open the Tome
UFOs, Chemtrails, and AliensDonald R. Prothero, Timothy D. Callahan, Michael Shermer · First published 2017Open the Tome
Gotham City 14 MilesJim Beard, Joseph F. Berenato, Timothy Callahan, Chuck Dixon, Robert Greenberger, Michael D. Hamersky, Michael P. Johnson, Paul Kupperberg, Mike S. Miller · First published 2011Open the Tome
Proving and Pricing Construction ClaimsMichael T. Callahan, Robert Frank Cushman, John D. Carter, Paul J. Gorman, Douglas F. Coppi · First published 2009Open the Tome
Imperialism on TrialElizabeth Bishop, R. M. Douglas, Michael D. Callahan · First published 2006Open the Tome
