This field is used in personal name authority records to record LC classification numbers for individual literary authors, including authors of children's literature. It may also be used '''exceptionally'' in personal and corporate name authority records to record biography numbers in the ML410-429 range of the LC classification when the choice of index or cutter is not obvious. Field 053 must always include a $5 subfield. | This field is used in personal name authority records to record LC classification numbers for individual literary authors, including authors of children's literature. It may also be used '''exceptionally'' in personal and corporate name authority records to record biography numbers in the ML410-429 range of the LC classification when the choice of index or cutter is not obvious. Field 053 must always include a $5 subfield. |