Check out these great images from the Library of Congress. The first one is a painting from the 1830s, and the second, a photograph of the same area in the 1930s.
Historic American Buildings Survey E. H. Pickering, Photographer June 1936 FROM A WATER COLOR PAINTED IN 1831, CATER COLLECTION, NUMBER 181; ENOCH PRATT FREE LIBRARY, BALTIMORE, MARYLAND – Waterloo Row, 606-628 North Calvert Street, Baltimore, Independent City, MD
Historic American Buildings Survey E. H. Pickering, Photographer June 1936 VIEW FROM NORTHEAST – Waterloo Row, 606-628 North Calvert Street, Baltimore, Independent City, MD