Browse the bibliography or references at the end of a relevant book or article entry in a reference work:

If you find a relevant book in the catalog, click on the title to see the full record. Then click on relevant subjects or on the author's name to see more works by her/him:

Use Google Scholar's "Cited by" link to find out who cited the relevant work. Click "related articles" to find articles similar to the one for which you initially searched.
