- Cobb's Explanatory Arithmetick, Issue 1
- A Critical Review Of The Orthography Of Dr. Webster's Series Of Books, For Systematic Instruction In The English Language
- Cobb's New Juvenile Reader, No. II, or Second Reading Book, Containing Interesting, Moral, and Instructive Reading Lessons, Composed of Easy Words of One, Two, and Three Syllables ...: Designed for th
- Cobb's Explanatory Arithmetick, Number Two: Containing The Compound Rules, And All That Is Necessary Of Every Other Rule In Arithmetick For Practical Purposes And The Transactions Of Business ...
- Cobb's New Sequel to the Juvenile Readers, or, Fourth reading book, etc.