LC-PCC policy statements for General abbreviations

LC/PCC practice: Apply the instruction.

Use abbreviations for alto, baritone, bass, mezzo-soprano, soprano, and tenor only when recording details of medium of performance of musical content to indicate voice range of vocal works when two or more voices are given.

Use the abbreviation for et cetera only in the term Protocols, etc.

Use the abbreviations A.D. and B.C. when recording a date in the Christian calendar for: Person: related timespan of person; Family: related timespan of family; Corporate body: related timespan of corporate body; Work: date of work; and Expression: date of expression.