Elementary telegraphy /
Telephoning /
Telephoning.
Long gray line /
Telephone skills. : Essential telephone English. /
Telephoning in English /
Telephoning in English Audio CD 1 /
Telephoning in English Audio CD 2 /
Die Telegraphie ohne Draht /
The Internet telephone toolkit. /
The Internet telephone toolkit.
A long long way /
Die elektrische Telegraphie mit Drahtleitung.
Telephone English / includes phrase bank and role plays /
Essential telephoning in English : teacher´s book /
Essential telephoning in English : student´s book /
International telephone directory 1956.
International telephone directory 1957.
Telephoning in English.: cassette 1.