ANTIETAM NATIONAL BATTLEFIELD PARK
National Park Service website.

MANASSAS NATIONAL BATTLEFIELD PARK
National Park Service website.

GETTYSBURG NATIONAL MILITARY PARK
National Park Service website.

FREDERICKSBURG & SPOTSYLVANIA NATIONAL MILITARY PARK
National Park Service website.

AMERICAN BATTLEFIELD PRESERVATION PROGRAM (NATIONAL PARK SERVICE)
An important National Park Service program.

U.S. REGULARS - CIVIL WAR MILITARY ARCHIVE.
Casey's Infantry Tactics, Regulations, Customs of Service, Regimental Histories and much more....

SYKES' U.S. REGULAR INFANTRY DIVISION.
A website by historian Timothy Reece.

THE CIVIL WAR RE-ENACTORS HOME PAGE
The gateway to a number of interesting sites.

THE AUTHENTIC CAMPAIGNER
Comprehensive re-enactor website.

THE UNITED STATES CIVIL WAR CENTER
A site dedicated to the study of the Civil War.

THE AMERICAN CIVIL WAR HOMEPAGE
A massive number of links.

CIVIL WAR SOLDIERS & SAILORS SYSTEM
A computerized database with basic facts about men who served on both sides.

CIVIL WAR ENLISTED UNIFORMS
Colorized plates from a set bound in 1866 for the Quartermaster General - from the U.S. Army Quartermaster Museum.

SELECTED CIVIL WAR PHOTOGRAPHS
Library of Congress site hosting 1,118 period photos.

The U.S. Mexican War (1846-1848)
The companion web site to the PBS series...

LETTERS OF THE CIVIL WAR ETTERS OF THE CIVIL WAR
A compilation of letters, stories and diaries from the era.

Units that Re-enact the U.S. Regular Army:

• 1st US Infantry, Co. D (AZ)

• 1st US Infantry, Cos. A, C & D (TX-Based)

• 2d US Infantry, Co. C (UK - i.e. England)

• 2d U.S. Infantry, Co. C (Sykes' Regulars, DC-MD-VA-WV-PA-DE)

• 2d U.S. Infantry, Co. C (SC-NC)

• 4th U.S. Infantry, Co. C (WA)

• 4th U.S. Infantry, Co. H  (Sykes' Regulars, DC-MD-VA-WV-PA-DE)

• 4th U.S. Infantry, Co. K (UK - i.e. England)

• 5th U.S. Infantry, Co. I (NM)

• 12th U.S. Infantry, Co. A (NY)

• 13th US Infantry, Co. A (TX)

• 13th US Infantry, Co. C (SC)

• 13th US Infantry, Co. D (South Dakota)

• 15th US Infantry, Co. A (FL)

• 2nd US Cavalry, Co. H (MD-PA-VA)

• 2d US Artillery, Batt. A (UK)

• 2d US Artillery, Batt. B (UK)

• 2d US Artillery, Batt. B (AZ)

• 4th US Artillery, Batt. B 

• 5th US Artillery, (NC)

• 1st US Sharpshooters, Co. B (NY-NJ-CT)

• 2nd US Sharpshooters, Co B. (MI)

• 2nd US Sharpshooters, Co. C (MD-PA)

• 2d US Sharpshooters, Co. H (UK)