11.   It also includes the Columbia Encyclopedia, a useful reference work in itself.

12.   It is both an entertaining read and a handy reference work.

13.   No reference work serves all purposes equally well.

14.   Now his scholarship is emerging as a standard reference work and foundation for a flock of popular histories and biographies.

15.   That certainly meets my definition of a classic reference work.

16.   The article also omitted part of the title of the reference work from which that book was largely derived.

17.   The book will be a dog-eared reference work for politicos and journalists and anyone who wants to study the low-key, discreet Republican version of an American political dynasty.

18.   The company wanted a reference work for youthful intellectuals, Virden insists.

19.   The dish attracts little or no attention in any mainstream food reference work.

20.   The Multimedia Encyclopedia of Science Fiction is a richly detailed reference work that comes on CD-ROMs for Windows or Macintosh from Grolier Interactive.