<p>Figure 1. List of 25 node categories (excluding the final “unclear” category).</p>
<p>Figure 2. Conference network metrics, by hashtag.</p>
<p>Figure 3. Multi-year conference network metrics. Possible nodes = the total number of nodes that could be in the combined network if no node attended more than one year. Possible edges = the total number of edges that could be in the combined network if no edges recurred in more than one year. Nodes = actual number of nodes in the combined network. Edges = actual number of edges in the combined network. Percent nodes = nodes / possible nodes. Percent edges = edges / possible edges.</p>
<p>Figures 4–7. The AHA-ALA-MLA network. Figure 4 shows the network colored by conference affiliation. Figures 5, 6, and 7 highlight digital scholars, book history scholars, and early modern scholars, respectively.</p>
<p>Figure 8. Size distribution of Jaccard indices.</p>
<p>Figures 9–11. Digital, book history, and early modern conference networks colored by discipline.</p>
<p>Figure 12. Digital scholars’ in-discipline and out-discipline connections.</p>
<p>Figures 13–14. Percentage of book history and early modern scholars’ in-discipline and out-discipline connections.</p>
