For a long time, reference works were forced to report his first name as "not conclusively known".

He does not show in any standard reference works of science.

Different contemporary reference works may use more than one of these terms for the same ship.

Many reference works are available in electronic form and can be obtained as software packages or online through the Internet.

The key to these electronic reference works is to offer more than a book can.

The catalog numbers refer to a variety of reference works and scholarly publications.

By the end of the year, the new unit hopes to diversify into reference works and other areas, the company said.

They became reference works of a new type which could be consulted and used by readers of any language.

The encyclopedia does not include a list of reference works used in each article.

A number of procedural reference works are used by other organisations in Australia.

There are only superb reference works at the best prices we offer.

The 1904 date appeared in many reference works during the pianist's lifetime.

The work was done at her suggestion, and she provided the reference works necessary for the undertaking.

The books are considered the foremost reference works on the subject.

These texts have become standard reference works in Kierkegaard research.

The school is trying to secure computer technology so it can share its reference works with other schools.

Like most other reference works on the Internet, those books will be accessible for a fee.

That reference may work on more than one level.

He wrote more than a dozen reference works covering the entire history of Christianity.

However, most prominent, authoritative reference works today do not support this view.