The library was a major reference and research resource, but there were detractors.

Gray's Anatomy was used as the major reference, both for the text and the illustrations.

Because of this, his works will remain a major reference.

Appendix IV lists the major references used in preparing this report.

Dante's transumanar remains a major reference in the issue.

As such, the book is widely used in Indonesia as a major reference and textbook.

At the end of the 19th century, the Civil code of 1804 was still the major reference in French law.

There are two major historical references that document the romanticized version of William's life:

Here are some major non-commercial online reference sites.

De re aedificatoria, a large and expensive book, was not fully published until 1485, after which it became a major reference for architects.