Node type: Attribute
Contains the publication type node of the document URI constructed for a publication. For official correspondence, the value is generally either “letter” or “notice”.
Choice of one:
<referenceHeader>
<publicationID type="letter" title="first-presidency-letter-may-5-1998"/>
<projectNumber>
<tracking>PD10029543</tracking>
<sku>98708</sku>
</projectNumber>
<publicationLanguage>000</publicationLanguage>
<workTitle>First Presidency letter, May 5, 1998</workTitle>
<shortTitle>First Presidency letter</shortTitle>
…
</referenceHeader>
The values of all attribution on publicationID elements should consist only of english lowercase letters a-z, and numbers 0-9, with spaces between words converted to hyphens. No puctuation marks are permitted, and no other characters (including accented characters) are permitted.