Row 1     Row 2
Paper      Download[url]
Journal    Download[url]
Poster     Download[url]
Paper      Download[url]
Paper      Download[url]
Paper      Download[url]
Journal    Download[url]

In HTML:
<tr  align="left">
<td>Paper</td>
<td><a href="url">[Download]</a></td>
<tr  align="left">
<td>Journal</td>
<td><a href="url">[Download]</a></td>
<tr  align="left">
<td>Poster</td>
<td><a href="url">[Download]</a></td>

etc...

<tr  align="left">
<td>Paper</td>
<td><a href="url">[Download]</a></td>