Meaning of source book

source' book"

Pronunciation: [key]
  1. an original writing, as a document, record, or diary, that supplies an authoritative basis for future writing, study, evaluation, etc.
  2. a volume containing a small collection of such writings, usually on a specific subject, used in research.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.