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

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Microfilm numbers are also referred to as "GS Numbers" referring to [[Genealogical Society of Utah|The Genealogical Society of Utah]].  
Microfilm numbers are also referred to as "GS Numbers" referring to [[Genealogical Society of Utah|The Genealogical Society of Utah]].  


=== First numbering System  ===
=== First Numbering System  ===
The first numbering system for films used an F (for film), then F.H. (for family history) or a geographic code, then a number or a letter and number and often a part number. A part number designated a separate film in a film series. Examples:  
The first numbering system for films used an F (for film), then F.H. (for family history) or a geographic code, then a number or a letter and number and often a part number. A part number designated a separate film in a film series. Examples:  
*F F.H. 441  
*F F.H. 441  
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*F Vt. W 25a pt. 2<br>
*F Vt. W 25a pt. 2<br>


=== Second numbering system ===
=== Second Numbering System ===
The second numbering system was just numbers, starting at number 1, often with a part number attached. These numbers were also called "red numbers" because, for a number of years, the numbers were printed in red ink on the film boxes. Again a part number designated a separate film in a series of films. Examples:  
The second numbering system was just numbers, starting at number 1, often with a part number attached. These numbers were also called "red numbers" because, for a number of years, the numbers were printed in red ink on the film boxes. Again a part number designated a separate film in a series of films. Examples:  
*1448  
*1448  
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The tricky part of this system is how to know if a number without a part number -- such as 2745 -- is an old, red number or if it is a current number. Old, red numbers stopped at about 60,000, so any past that are current numbers.
The tricky part of this system is how to know if a number without a part number -- such as 2745 -- is an old, red number or if it is a current number. Old, red numbers stopped at about 60,000, so any past that are current numbers.


=== Third numbering system ===
=== Third Numbering System ===
The current numbering system started over with number 1 and new films are assigned the next sequential number. No letters or part numbers are used. As the library now has over 2 million films in its collection, zeros are sometimes added on the front of a film number to make it a 7-digit number, but they are not needed. Numbers are good with or without the leading zeros. For example:  
The current numbering system started over with number 1 and new films are assigned the next sequential number. No letters or part numbers are used. As the library now has over 2 million films in its collection, zeros are sometimes added on the front of a film number to make it a 7-digit number, but they are not needed. Numbers are good with or without the leading zeros. For example:  
*0000001  
*0000001  
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Blocks of numbers were assigned to regions and by film size (16 and 35 mm).  Because of this you will find that sequential numbers may be from the same country but not from the same  
Blocks of numbers were assigned to regions and by film size (16 and 35 mm).  Because of this you will find that sequential numbers may be from the same country but not from the same  
project.
project.
== The Parts Of a Microfilm ==
== The Parts Of a Microfilm ==
=== Title Boards ===
=== Title Boards ===