Conkey was one of the publishers of the Peck books.

The Harvard Series included the following titles:
Peck’s Bad Boy, No. 1 (and His Pa)
Peck’s Bad Boy, No. 2 (and the Groceryman)
Peck’s Fun
Peck’s Sunshine
Peck’s Boss Book
Peck’s Irish Friend
How Private Peck Put Down the Rebellion
American Wit and Humor (Contributions by Peck)