Statistics for occurrence #1 of “Captain Richard B. Irwin” in chapter 28 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 10.:

...
headquarters Defences of Washington. Sir: Agreeably to instructions received from Captain Richard B. Irwin , Acting Assistant Adjutant-General to Major-General Banks, to visit the lower part of Maryland as far as Leonardtown, St. Mary's county, and arrest all parties suspected of smuggling articles into Vi...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.