The Baltimore publisher Miller & Beacham was formed by William Miller and Joseph R. Beacham in 1853 and lasted until 1864. The firm continued as William C. Miller from 1865. William Miller had bought F.D. Benteen of Baltimore in 1838. Miller & Beacham purchased John Cole of Baltimore in 1862.
Miller & Beacham was one of the most popular publishers during the American Civil War, and their catalogue included Maryland! My Maryland!.