121,887
edits
Line 9: | Line 9: | ||
=== Previous book numbering system === | === Previous book numbering system === | ||
The first numbering system for books used a topic code or a geographic code and a number, such as: | The first numbering system for books used a topic code or a geographic code and a number, such as: | ||
*R8A21 (reference books began with an 'R') | *R8A21 (reference books began with an 'R') | ||
*NY 134 (a book about New York) | *NY 134 (a book about New York) | ||
*Eng 369 (a book about England) | *Eng 369 (a book about England) | ||
The numbers were assigned in the order the book was received into the library's collection. | The numbers were assigned in the order the book was received into the library's collection. Family histories were grouped into classes 'A' or 'B', such as: | ||
Family histories were grouped into classes 'A' or 'B', such as: | |||
*A5D8 | *A5D8 | ||
*B15A139 | *B15A139 | ||
There was no direct | There was no direct correlation between any of the letters in the call number and the surname of the family whom the book was about. | ||
=== Current book numbering system === | === Current book numbering system === |