Occasionally you will find Disneyland cel set-ups that have a cel from one film and a background from another. For example it is common to see a Jungle Book cel on a litho of a Sleeping Beauty background. These are also referred to as Disneyland Art Corner cels.
Important note: ISBN numbers were introduced in 1970. Any book printed before 1970 will not have an assigned ISBN. Why Search by ISBN. ISBNs are useful when looking for a specific printing of a book. A student, for example, can search by ISBN to find the correct edition of a textbook for school.
When did area codes first come into use? The area code system was developed by AT&T and Bell Laboratories in the 1940's, and went into effect in 1947. It was called the North American Numbering Plan (NANP) and included the United States and Canada .