What has the author Erich Herold written?

Erich Herold has written:

'Ritualmasken Afrikas'

'The art of Africa' -- subject(s): African Art, African Sculpture, Masks (Sculpture)

'Afrikanische Masken' -- subject(s): Masks

'Tribal masks from the Na prstek Museum, Prague' -- subject(s): Catalogs, Masks, Masks (Sculpture)