Incluye índice en la p.3.

V.20 Advertising index.

The small telephone exchange rate case.

Financing expansion and improvements.

Merchandansing telephone service and equipment.

It's good business to know your men.

A check list of new employe telephone associations.

Directory of independent telephone associations.

Directory of rea staff members and fiel personnel.

Directory of bell connecting compay officials.

Telephone engineer's handbook tables.

Index to available telephone reference books.

"Index to""free"" telephone reference books".

"Index to ""free""telephone literature".

Composite catalog.

Index to suppliers.

Index to product information.

the small telephone exchange rate case.

financing expansion.