“Founded in 1844, the Maryland Historical Society (MdHS) is the state’s oldest continuously operating cultural institution. In keeping with the founders’ commitment to preserve the remnants of Maryland’s past, MdHS remains the premier institution for state history. With over 350,000 objects and seven million books and documents, this institution now serves upward of 100,000 people through its museum, library, press, and educational programs.”

They have an online collection with these subjects:

• American Civil War
• African American History
• Photographs
• War of 1812
• Women’s History
• Benjamin Henry Latrobe
• Paintings
• Mining the Museum
• Works on Paper
• Emigration and Immigration
• Maritime
• Prints