http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v.1. Mapping the field of digital qualitative research. -- v.2. Multimedia & hypermedia. -- v.3. Digital qualitative research methods. -- v.4. Ethics, archiving and representation in qualitative reseacrh.
Sage benchmarks in social research methods