| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Spanish Key Words: The Basic 2000-word Vocabulary Arranged by Frequency, with Dictionaries | 978-O-9O6672-26-6 (O-9O6672-26-O) | 2013 |
P. C. · Peter Caygill · Peter Cockwill · Peter Cooksley · Pietro Casale · Piotr Cieśla