City directory:

http://search.ancestry.com/search/db.aspx?dbid=2469

enter [last name] white
enter [state] Pennsylvania
enter [city] Philadelphia
enter [year] 1910
enter +/- 20

I would suggest keeping the query simple. Sometimes, if the street name is somewhat unusual, I've entered it into [keyword] and have got results. I know not their methodology, but I believe it's some sort of OCR but not sure if it's 'live', whole pages or just the top of the page.