author
A close observer of American public life, this early-20th-century writer explored how the U.S. postal system worked and why it mattered to everyday people. His best-known book turns a huge civic institution into a vivid, human story.

by Thomas C. Jefferies
Thomas C. Jefferies is known for The Postal System of the United States and the New York General Post Office, a historical work from the early 20th century. In it, he looks closely at the growth of the U.S. postal service, with special attention to the scale and importance of the New York General Post Office.
His writing focuses on the people, organization, and public purpose behind the mail system rather than treating it as dry bureaucracy. That makes his work especially interesting for listeners who enjoy American history, public institutions, and the hidden machinery of everyday life.
Very little biographical information about Jefferies could be confirmed from the sources reviewed here, so it is safest to remember him mainly through this surviving work and the clear interest it shows in how a major national service shaped modern life.