| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Hudson River and the Highlands: The Photographs of Robert Glenn Ketchum | 978-O-89381-174-7 (O-89381-174-2) | 1985 | James Thomas Flexner |
R.K. · Robert Glen Ketchum · Robert Glenn Ketchum · Robert K.