075 Subfield $b - Type of entity code:

Subfield $b contains a code which is taken from a controlled list of entity types.

Example:

075  ##  $aKörperschaft$bb$2[code for GND general type]

075  ##  $aProjekt$bkip$2[code for GND specific type]

110  2#  $aSnow and Ice Hydrology Project