"There's a huge appetite for these kinds of supplemental materials," he said.

Some family members have common supplemental geographical material that appears to derive from a 7th-century original.

The charges of inaccuracy are all being made against this supplemental material.

Furthermore, the curriculum is supported with supplemental materials such as exercise books.

The textbook is taking a back seat to the supplemental materials being used.

Each chapter has 3-4 detailed classroom activities for grades 6-12 and a large amount of supplemental materials.

Greek and French classes make use of supplemental materials that are more like traditional textbooks.

Authorized supplemental materials have also been released in the last several years.

Please refer to the end of this file for supplemental materials.

The broadcast continues on screen, but a whole interactive world of supplemental material is also available.