Distinguish between main titles (<TITLEPART TYPE="main">) and subtitles (<TITLEPART TYPE="sub">).
Both recto and verso (if not blank in original) should be included within the <TITLEPAGE>, separated by a <PB>. If the back of the title page isn't numbered, use <PB N="verso">. If the title page itself isn't numbered, as it usually isn't, use <PB> without any "N" value.
<LB>s should be used in order to preserve some semblance of the appearance of the original. However, <LB>s need not be used for every line break, but only where the line break serves as a kind of punctuation and is essential to the sense.
Bold (<B>) and italic (<I>) tags need only be used within the <TITLEPAGE> if such tags are essential to the sense. However, if such tags are already in place (presumably added to mimic appearance), they need not be removed.
Statements of responsibility ("re-edited from Ms. Harley 2252. . .by J. Douglas Bruce, PH.D., Professor. . .) should be in <BYLINE> tags, with the author tagged as <DOCAUTHOR> (but no other tags belong in the byline).
If there is more than one title page, place each in a separate <TITLEPAGE> tag. If one is a "half title", give it a TYPE attribute of "half".
Here's a sample (AA):
<TITLEPAGE>
<DOCTITLE>
<TITLEPART TYPE="main"><B>Le Morte Arthur,</B></TITLEPART>
<LB>
<TITLEPART
TYPE="sub"> <I>A ROMANCE IN STANZAS OF EIGHT LINES</I>,</TITLEPART>
</DOCTITLE>
<BYLINE>
RE-EDITED FROM MS. HARLEY 2252, IN THE BRITISH MUSEUM, WITH INTRODUCTION, NOTES, GLOSSARY AND INDEX OF NAMES,
<LB>
BY
<LB>
<DOCAUTHOR>J. DOUGLAS BRUCE</DOCAUTHOR>,
Ph.D., PROFESSOR OF THE ENGLISH LANGUAGE AND LITERATURE IN THE UNIVERSITY OF TENNESSEE, U.S.A.
</BYLINE>
<DOCIMPRINT>
<PUBPLACE>LONDON:</PUBPLACE>
<PUBLISHER>PUBLISHED FOR THE EARLY ENGLISH TEXT SOCIETY
<LB>
By KEGAN PAUL, TRENCH, TRÜBNER & CO., LIMITED, DRYDEN HOUSE, 43, GERRARD STREET, SOHO, W.</PUBLISHER>
<DOCDATE>1903.</DOCDATE>
</DOCIMPRINT>
<PB N="verso">
<DOCEDITION>Extra Series, LXXXVIII.</DOCEDITION>
<DOCIMPRINT>
<PUBLISHER>Richard Clay & Sons, Limited,</PUBLISHER>
<PUBPLACE>London and Bungay.</PUBPLACE>
</DOCIMPRINT>
</TITLEPAGE>