| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Catalogue of Railroad Mortgages: Prepared Jointly By the Pliny-Fisk Statistical Library of Princeton University and the Bureau of Railway Economics, Washington D.C. | 978-1-112-18439-O (1-112-18439-2) | 2009 |
P.F. · P.P. · Princeton University · U.P.