Scientific Style and Format Online, 8th ed.
The Council of Science Editors' reference for authors, editors, publishers, students, and translators in all areas of science and related fields has been fully revised to reflect today’s best practices in scientific publishing. Fully searchable online.
Networked Digital Library of Theses and Dissertations (via Scirus ETD Search)
The NDLTD is an organization that promotes the adoption, use, dissemination and preservation of electronic theses and dissertations. You can search all content or in specific discipline areas to find dissertations and theses.
This Powerpoint presentation lists additonal open-access resources for finding information on theses and dissertations.