In addition to Credo Reference, listed above, please consider using the following recommended eBook/eReference collections. This list includes sample titles from each collection. All titles are searchable and readable online. To access these resources:
Can't find the perfect eBook within these resources? Try Google Books! Google Books allows you to for search eBooks (and print books) across the Internet. Use this Search box to get started. Note that clicking the "Search" button may load your search results in a new tab or window depending on your browser configuration settings.