The San Francisco Chronicle, Oct. 31, 1938, as reproduced by the Library of Congress. Linked here, not republished: page-level image rights still need review.
See the 1938 page at the Library of Congress ↗A play in a newsreader's coat
The Mercury Theatre staged fictional invasion bulletins on Oct. 30. CBS identified the program as drama several times, but late arrivals could miss those notices. Trenton's city manager reported that calls crippled police communications for about three hours. That was a genuine burden, and checking on family was a human response, not a joke. National Archives FCC records ↗
The other side of the dial
More than 600 people wrote the FCC. Some asked for restrictions; others defended the play. Archives accounts also describe listeners turning to another station or consulting the printed schedule. These actions do not cancel anyone's fear. They do make a single national-panic headline a poor portrait of an audience that was checking, debating and sometimes applauding. Letters and listener accounts ↗
The verdict
Radio delivered the fiction; newspapers delivered the verdict on its listeners. The letters show people doing something less tidy and more useful: changing the station, checking the paper and deciding for themselves.
How this could be read
A national-panic headline gives isolated reactions national scale. The letters show variety, but cannot establish an exact proportion of frightened or skeptical listeners.
What would change the answer
Credible audience research could refine the scale. Additional letters add experiences, not automatically a representative sample.
The caution travels with the story
One artifact is not national opinion. Later progress does not erase genuine harm. Linked rights-restricted material remains linked, not republished.
The paper trail
See the 1938 page at the Library of Congress ↗ (opens a new tab)Letters and listener accounts ↗ (opens a new tab)Original source roles and qualifications are retained. Human approval remains pending.