Harper's Weekly from 1857-1912. Excellent interface for searching and retrieval.  Accept the conditions of use, click on search, click on Harper's Weekly Indexes, make sure that only the "illustrations" index is checked, and run a search for "Philadelphia."  Harpers Weekly was one of the earliest periodicals to include illustrations, and many of them achieved iconic status.  Harpers also had a national distribution.

Harper's Weekly online from 1857-1912. After you enter the database choose the option to 'Search' and then choose 'Literary Synopses' to search for themes. It is also possible to use the finding aid for 'Literary Genre' to search for genres of fictional works.