<!-- NLM eTKeVK2RecordSet DTD

     This is the DTD which NLM has written for Internal and External Use.
     April, 1, 2013

        * = 0 or more occurrences (optional element, repeatable)
        ? = 0 or 1 occurrences (optional element, at most 1)
        + = 1 or more occurrences (required element, repeatable)
        | = choice, one or the other but not both
        no symbol = required element
-->
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<!ELEMENT	eTKeVK2RecordSet (eTKeVK2Record*, DeleteeTKeVK2Record?)>
<!ELEMENT	eTKeVK2Record (eTKeVK2ID, Author*, CrossReference*, DateRevised?, GeneralNote*, Incipit, IncipitPrologue*, IncipitText?,
		Keyword*, Language?, Location?, Pagination?, PubDate?, SortData, TitleAlternate*) > 
<!ATTLIST	eTKeVK2Record
	     Source (Thorndike | Voigts) #REQUIRED
	     SourceNumber CDATA #REQUIRED>
<!ELEMENT	Author (LastName, ForeName?, Initials?, Suffix?, Role?)>
<!ELEMENT	City (#PCDATA)>
<!ELEMENT	CrossReference (#PCDATA)>
<!ELEMENT	DateRevised (Year, Month, Day)>
<!ELEMENT	Day (#PCDATA)>
<!ELEMENT	eTKeVK2ID (#PCDATA)>
<!ELEMENT	ForeName (#PCDATA)>
<!ELEMENT	GeneralNote (#PCDATA)>
<!ELEMENT	Incipit (#PCDATA)>
<!ELEMENT	IncipitPrologue (#PCDATA)>
<!ELEMENT	IncipitText (#PCDATA)>
<!ELEMENT	Initials (#PCDATA)>
<!ELEMENT	Keyword (#PCDATA)>
<!ELEMENT	Language (#PCDATA)>
<!ELEMENT	LastName (#PCDATA)>
<!ELEMENT	Library (#PCDATA)>
<!ELEMENT	Location (City?, Library?)>
<!ELEMENT	Month (#PCDATA)>
<!ELEMENT	Pagination (#PCDATA)>
<!ELEMENT	PubDate (#PCDATA)>
<!ELEMENT	Role (#PCDATA)>
<!ELEMENT	SortData (#PCDATA)>
<!ELEMENT	Suffix (#PCDATA)>
<!ELEMENT	TitleAlternate (#PCDATA)>
<!ELEMENT	Year (#PCDATA)>
<!ELEMENT	DeleteeTKeVK2Record (eTKeVK2ID+)>