Here are a couple of useful freeware/ shareware applications to supplement DA in your search arsenal;
Reference Miner;
sonnysoftware.com/aboutreferenceminer.html
Chercher;
clichesw.com/products/chercher/
N.B. The search results in the lower pane of Reference Miner can be selected, copied and then pasted (or dragged and dropped) into a new or existing rich text/ plain text document in DT. When available, the book cover images can likewise be added to an rtf document in DT.
David