Story of CassiopeiaRobert Squier, Thomas Kingsley Troupe, David Burgess, L. L. C. Portfolio Solutions, Terry Flaherty · First published 2012Open the Tome
On the origins of the United States postal serivceThomas C. Kingsley, William L. Clements Library · First published 1984Open the Tome
Territorial postal history of the Toledo stripThomas c. Kingsley, Kenneth H. Priestley, William L. Clements Library · First published 1975Open the Tome
