3 vols.
(Delaware County Property Atlases): Mueller, A.H., pub. Atlas of Delaware County, East of Ridley Creek. Philadelphia, 1909-1910. Folio, orig. gilt-lettered cloth, modern red morocco back & corners, new endpapers. Double-page index map + 32 double-page color maps. Minor dampstaining to bottom fore-edge corners, maps slightly toned. * Klinge, Frank H.M. Atlas of Delaware County. Vol. 1. Lansdale, 1921. Folio, contemp. cloth; moderate wear & staining. Double-page index map + 34 double-page color maps. Tabs. Internally generally clean. * Another copy of the preceding, orig. cloth, worn, some creasing & smudging to title page & front matter.