| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Cobb's Explantory Arithmetick, Number Two: Containing the Compound Rules, and All That Is Necessary of Every Other Rule in Arithmetick for Practical ... Is Annexed a Practical System of Book-Keeping | 978-1-145-88993-4 (1-145-88993-X) | 2010 |
| Cobb's Sequel to the Juvenile Readers: Comprising a Selection of Lessons in Prose and Poetry, from Highly Esteemed American Writers: Designed for the ... the Minds of Youth with Sentiments of VI | 978-1-146-01550-9 (1-146-01550-X) | 2010 |