I'd like to request two rare lexical resources be added. These aren't typically available everywhere, and they're reference works, so would be great for Logos.
Tawil's An Akkadian Lexical Companion for Biblical Hebrew: Etymological-Semantic and Idiomatic Equivalents with Supplement on Biblical Aramaic
http://www.bookreviews.org/pdf/7603_8316.pdf
Klein's A Comprehensive Etymological Dictionary of the Hebrew Language for Readers of English
http://www.amazon.com/Comprehensive-Etymological-Dictionary-Language-Readers/dp/0029174317