Crompton, R. D. (1959). A comparative study of the changes in numbers of sesveral blocks of Spruce Street between 1855 and 1858: From McElroy's Philadelphia directories of 1855 and 1858. [S.l.
Chicago Style CitationCrompton, Robert Donald. A Comparative Study of the Changes in Numbers of Sesveral Blocks of Spruce Street between 1855 and 1858: From McElroy's Philadelphia Directories of 1855 and 1858. [S.l, 1959.
MLA CitationCrompton, Robert Donald. A Comparative Study of the Changes in Numbers of Sesveral Blocks of Spruce Street between 1855 and 1858: From McElroy's Philadelphia Directories of 1855 and 1858. [S.l, 1959.