Cite
. “ Harmanus Langerveld (1777-1830). David Henriques de Castro, pastel / crayon, 1815” Lowcountry Digital Library, College of Charleston Libraries, 1987.
. “ Harmanus Langerveld (1777-1830). David Henriques de Castro, pastel / crayon, 1815” Lowcountry Digital Library, College of Charleston Libraries, 1987.