“Henry F. Walling and the Mapping of New England’s Towns, 1849-1857.” Published in The Portolan, no. 71 (Spring 2008), pp. 22-33.

“Picturing a networked nation: Abraham Bradley’s landmark U.S. postal maps.” Published in The Portolan, no. 77 (Spring 2010), pp. 7-24.

“Toward a National Cartography: American Mapmaking, 1782-1800.” Presented at the Harvard Map Collection, 2011.

“Made in Boston.” A study of map making in Boston in the century before the American Revolution. Presented at the Norman B. Leventhal Map Center of the Boston Public Library, 2013-2014.

“Where the *%&^# is Polypotamia? : Mapping Proto-States in the Early Republic.” Presented at the Museum of Early Southern Decorative Arts, 2025.

Watch the video.

Issue No. 1

• How do I know it’s real?” (p. 1)
• “Early plans of Massachusetts towns: The Resolve of 1830” (p. 2)

Issue No. 2

• “Condition and antique maps” (p. 1)
• “Establishing a coherent view of the Northeast: The Gerritsz-De Laet Nova Anglia, Novum Belgium et Virginia” (p. 2)

Issue No. 3

• “Mapping Massachusetts, 1600-1750” (p. 1)
• “Developing a cost-effective reference library” (p. 2)

Issue No. 4

• “Mapping Massachusetts, 1750-1801” (p. 1)
• “Understanding ‘editions,’ ‘states’ and ‘issues” (p. 2)