| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Graded and Annotated Catalog of Books in the Public Library of the District of Columbia for Use in the Schools of the City | 978-1-141-33447-6 (1-141-33447-X) | 2010 |
C.P. · D.C. · D.O. · D. P. · District of Columbia · **O.C.** · O.P.