For the Serious Student of the Eastern Theater (1862-1863)
Whether you are an academic researcher, a licensed battlefield guide, or a dedicated historian, Brotherswar provides the tactical analyses, primary documents, and regimental data required for rigorous study of the American Civil War.
Archival Collections
Campaigns & Battles
Detailed tactical overviews, timelines, and strategic analyses of major Eastern Theater engagements including Antietam, Fredericksburg, and Gettysburg.
Commanders & Leaders
Biographical research and command-decision analyses of key Union and Confederate figures such as Robert E. Lee, Stonewall Jackson, and George B. McClellan.
Regiments & Armies
Orders of battle, unit histories, and casualty statistics for specific military organizations like the Army of the Potomac and the Iron Brigade.
Primary Documents
Transcripts and analyses of original Civil War letters, diaries, official reports, and political decrees like the Emancipation Proclamation.
Battlefield Terrain & Monuments
Geographic studies of critical battlefield features, earthworks, historical structures, and the monuments that commemorate them today.
Methodological Approach to Primary Sources
Traditional historiography often relies heavily on post-war memoirs, which frequently obscure the immediate friction of combat. Commanders writing years after the fact tend to rationalize their battlefield decisions. Our archival approach prioritizes contemporaneous documentation—orders written in the saddle, morning reports, and immediate casualty returns.
By cross-referencing these primary documents with modern topographical analysis, we bridge the gap between written intent and tactical execution. For example, evaluating the Command Decisions and Tactics at Second Manassas requires stripping away decades of post-war mythology to examine the raw dispatch logs. While our cross-referencing methodology reduces historical ambiguity, the inherent chaos of 19th-century combat means some tactical movements remain subject to interpretive debate. We map the coordinates of regimental deployments against the terrain features that dictated their survival or destruction.
Main Point: Proximity to the event dictates documentary value. A hastily scribbled courier dispatch from 1862 holds more tactical weight than a polished autobiography published in 1885.
Research Faculty and Archivists
Sarah P. Donnelly
Senior Military Historian
Campaign-level operations in the Eastern Theater, 1862-1863
Thomas B. McCray
Associate Professor of Military History
Command decisions, staff systems, and leadership under battlefield uncertainty
Haruka Sato
Research Fellow in Military History
Civil War armies, regimental organization, and combat effectiveness
Margaret L. Harlan
Digital Collections Archivist
Primary-source verification, transcription standards, and documentary collections
Javier Cárdenas
Licensed Battlefield Guide
Battlefield terrain analysis and comparative tactical interpretation
Isabelle Moreau
Regimental Studies Editor
Comparative regimental history and quantitative casualty analysis
Institutional Collaborations
Ongoing partnership since 2019 with regional battlefield preservation trusts to digitize fragile regimental records and map historical earthworks before environmental degradation occurs.
Multi-year research collaboration with university history departments focusing on quantitative casualty analysis and combat effectiveness metrics across the Army of the Potomac.
353K+Digitized Primary Sources
12K+Detailed Regimental Histories
628+Mapped Tactical Engagements