CINAHL is a great place to search for articles on cultural comptetence and transcultural nursing.
When searching CINAHL, you may want to consider the following subject headings:
Cultural Competence
Cultural Diversity
Cultural Sensitivity
Cultural Values
Health Beliefs
Transcultural Care
Transcultural Nursing
The Nursing Reference Center Plus (NRC+) is a great resource for finding information on providing culturally competent care.
You can search by either disease/condition OR country/culture and then limit the search to Cultural Competencies.
Below is an example of a search on diabetes:
Books
Below is a list of some diversity and multicultural books that will help you get started: