Search for your chosen empirical technique among the scholarly papers available via the above Topical Articles resources.
Use the following options for reference:
Use Franklin, Penn Libraries' Online Catalog to find books about your topic. Search for your topic using the Subject Heading Keyword option. You will be more likely to find books about broader topics. See for example this search for books about Google.
If Penn does not own a particular title or if a book that you want is checked out, search the BorrowDirect or E-ZBorrow catalogs. Books requested from one of our partner institutions often take an additional 3-5 business days to arrive.
