American patience eroding over slow-moving resolution to hostage crisis.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

Cambodian refugees face starvation as Russian- and Chinese-backed regimes block humanitarian aid.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

Need for oil wipes out any backing for US response to Khomeini's takeover of Iran.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

Kennedy blasts Shah while public back President Carter's careful handling of the hostage crisis.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

Carter now accused of 'bungling' decision to allow Shah into US for medical treatment, prompting hostage seizure.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

Diplomacy rendered impotent by success of Iran's terrorist seizure of US hostages.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

President Carter's standing as statesman rises after response to Tehran hostage crisis.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

President Carter uses presidential patronage to counter Kennedy's challenge for leadership.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

Interest rates rise to 15% amid worldwide claims of 'economic nationalism' by the US.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.

Anti-nuclear power protests strengthen in wake of Three Mile Island accident.

The sound quality on this recording is variable/poor.

This archive edition of Letter from America was recorded by one of two listeners, who between them taped and labelled over 650 Letter From America programmes from 1973 to 1989. It was restored by the BBC in 2014.