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This field is used for information about special aspects of the item being cataloged that cannot be coded in field 008. Table 4 below shows a row of data of the 006 field where the 000 leader field indicates it is a computer file. In the screen shot below,

Unlike the previously defined fields, the first character in the 006 field is contained in the first space, and NOT in the second space. 

There is a one-to-one correspondence between the 006 and the 008 fields, because the 006 field is a sort of  ‘appendix’ field for 008 information. Note that everything in 006 appears in the same order as 008 but NOT in the same charcter spaces. From the marc 006 documentation: "In all cases, field 006 positions 01-17 relate to positions 18-34 in one of the field 008 configurations." (See the section 'Guidelines for Applying Content Designators.) 

the 1st space (character 00) in the 'content' column of the 006 field identifies 'form of material'. 

Unlike the previously defined fields, the first character in the 006 field is contained in the first space, and NOT in the second space. 

In Table 4 below, 'm' in the first space shows that the item is a computer file .

As seen in the screen shot below (Table 4), the 1st space (character 00) is the character 'm'. Referring to the documentation for the 006 field (under 'Field Definition and Scope'), ‘m’ indicates Computer file/Electronic resource. (Recall that this material type has been determined by the values present in the leader 000 field). 

After that, the remaining characters are material-specificAfter this tthe ‘o’ in the 6^th space indicates ‘online’, and the ‘d’ in the 9^th space indicates that the computer file type is a document. Looking under 'Computer files/Electronic Resources' in the 006 documentation, we see that the 6th character describes the 'Form of item' and the 9th character describes 'type Type of compter file'.  However, for possible values for form of item/material, we need to look at the material-specific characters are found in the documentation for the 008 field, where we see that for a computer file, when the form of item ='o'  , it is an online material. As the example below refers to a computer file, the ‘o’ in the 6^th space indicates ‘online’, and the ‘d’ in the 9^th space indicates that the computer file type is a document.Note that the 008 field contains information for the form of item/material in character 23. Everything in 006 appears in the same order as 008 but not in the same charcter spaces. The 006 field is a sort of  ‘appendix’ field for 008 information. Referring to the documentation for the 006 field (under 'Field Definition and Scope'), ‘m’ indicates Computer file/Electronic resource. From the marc 006 documentation: "In all cases, field 006 positions 01-17 relate to positions 18-34 in one of the field 008 configurations." (See the section 'Guidelines for Applying Content Designators.)

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