Below are databases that offer access to nursing books. R2 for Rittenhouse will have the widest selection of nursing books. UA, UAB and UAH all subscribe to the same R2 collection. UAH has the largest collection of NetLibrary e-books, though this collection is more interdisciplinary.
The following links provide access to online theses and/or dissertations from UA, UAB, and UAH.
Please note that these include papers across multiple disciplines; search for "nursing" or another key word to narrow down your results as needed.
Please also note that these include master's theses in addition to doctoral dissertations. (If you are reviewing other dissertations as you being your research, you should confirm that you are looking at the appropriate example.)