The firm was founded in 1869 as a partnership between William Walter Copp and Henry James Clark. Based in Toronto, Ontario, the company became a major supplier of books and other printed materials to the Canadian market, publishing school texts, juvenile fiction, and a wide variety of general interest books.
The company has been known by different variants of its original name throughout its history; it continues to operated today as Copp Clark Pitman.
- C. J. Hinke. Oz in Canada: A Bibliography. Vancouver, BC, William Hoffer, 1982.