Updated annually, each volume combines the current edition of every Library of Congress classification schedule together with all additions, changes and deletions through the end of the previous year.

Updated annually, each volume combines the current edition of every Library of Congress classification schedule together with all additions, changes and deletions through the end of the previous year.

Updated annually, each volume combines in one sequence the current edition of every Library of Congress classification schedule together with all additions, changes and deletions published in LC Classification -- Additions and Changes through the end of 1998. Thus, for each classification schedule, catalogers need only look at this single source for current classification information. In addition the Gale Group has added "Gale notes" to the text to clarify instructions and explain the "shorthand" phraseology used in the schedules.