references to internal and external ressources (places, persons, bibliography)

Created by: GVogeler

external like GND, geonames or online bibliography webservices: http://wiki.services.openoffice.org/wiki/Bibliographic/Software_and_Standards_Information#Web_Applications) extract data from thesauri, terminologies and other authority data (via keys), e.g. Vocabulaire international de diplomatique; content keyword in order to find charters on a particular topic such as gifts, donations, etc internal: to be created cfr. issue #71