1920s Philadelphia Suburban Atlas Directory Main Line Real Estate Map

Title: Cumulative Supplement to the Suburban Philadephia Atlas Directory 1927-1928 for Main Line (a very affluent area then and now) Compiled or published by Real Estate Directory. Measures about 17.5x13 inches. Not a lot of pages in the books. Broken up into several sections: Index of Streets, Index of different suburban or development, the map of the different plates or areas covering Delaware and Montgomery Counties, the list of owners with the property/street address which is sorted by plates in numerical order.