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Book and Film Numbers Used by the FamilySearch Library: Difference between revisions

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=== 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 corrolation between any of the letters in the call number and the surname of the family whom the book was about.
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  ===