Wikimedi'Òc

1866 U.S. Coast Survey Map of Boston Bay, Massachusetts - Geographicus - BostonBay-uscs-1866.jpg - BotMultichillT

Baldwinville, Mass. (2674545872).jpg - File Upload Bot (Magnus Manske)

Regulations of the Schools of Concord, Boston, 1866, paper - Concord Museum - Concord, MA - DSC05608.JPG - Daderot

Award of the Massachusetts Humane Society MET DP-180-024.jpg - Pharos

Award of the Massachusetts Humane Society MET DP-180-025.jpg - Pharos

Award of the Massachusetts Humane Society MET DP-180-026.jpg - Pharos

Proceedings at Boston and Cambridge, May 16th, 1866 (IA jstor-592259).pdf - Fæ

Mercer Girls illustration in 1866 Harper's Weekly titled "The Departure" (WARNER 275).jpg - BMacZeroBot

1866 Massachusetts gubernatorial election results map by county.svg - LeonEpik