81. Company "B" U.S. Engineers Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. May 1864–March 1865] Institution: Boston Public Library
82. Company "C" 1st Mass. Cavalry Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. May 1864–March 1865] Institution: Boston Public Library
83. Company "C" 41st N.Y. Infantry, Manassas, Va. Creator: O'Sullivan, Timothy H., 1840-1882 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: July 1862 Institution: Boston Public Library
84. Company "C" 93d N.Y. Infantry, August, 1863 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: August 1863 Institution: Boston Public Library
85. Company "C" U.S. Engineers Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. May 1864–March 1865] Institution: Boston Public Library
86. Company "D" 149th Penn. Infantry, Nov. 6, 1864 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: November 6, 1864 Institution: Boston Public Library
87. Company "D" 149th Penn. Infantry, Nov. 6, 1864 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: November 6, 1864 Institution: Boston Public Library
88. Company "D" 1st Mass. Cavalry Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. May 1864–March 1865] Institution: Boston Public Library
89. Company "D" 3d. Penn Cavalry, (dismounted) Creator: O'Sullivan, Timothy H., 1840-1882 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: March 1864 Institution: Boston Public Library
90. Company "D" 61st New York Infantry Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. January 1863–May 1863] Institution: Boston Public Library
91. Company "D" 93d N.Y. Infantry, August, 1863 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: August 1863 Institution: Boston Public Library
92. Company "D" U.S. Engineers Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. May 1864–March 1865] Institution: Boston Public Library
93. Company "E" 4th U.S. Colored Infantry, Fort Lincoln, Va. Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. 1863–1865] Institution: Boston Public Library
94. Company "E" 93d N.Y. Infantry, August, 1863 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: August 1863 Institution: Boston Public Library
95. Company "F" 2d New York Artillery Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. 1861–1865] Institution: Boston Public Library
96. Company "F" 3d Mass. Artillery, Fort Stevens Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. 1861–1865] Institution: Boston Public Library
97. Company "F" 93d N.Y. Infantry, August, 1863 Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: August 1863 Institution: Boston Public Library
98. Company "G" 114th Penn. Infantry Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. May 1864–March 1865] Institution: Boston Public Library
99. Company "H" 114th Penn. Infantry Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: [ca. May 1864–March 1865] Institution: Boston Public Library
100. Company "H" 3d Mass. Artillery, Fort Lincoln Format: Photographs Collection: American Civil War 20th Massachusetts Regiment (Collection of Distinction) Date: 1865 Institution: Boston Public Library