Book dealers and specialist publishers
These are companies with some holdings of seaweed and other algal books. Amazon also has the ability to get the most obscure books, given time.
- Alibris: a searchable database is included
- Amazon USA
- Amazon UK
- Backhuys Publishers - The Netherlands: antiquarian booksellers; a searchable database is available
- Balogh Scientific Books USA: a searchable database is included .
- Koeltz Scientific Books: very large holdings of new and previously owned algal and seaweed books; a searchable database is available
- Maggs Bros. London: antiquarian booksellers (with a seaweed connection!); a searchable database is included
- Ventura Pacific BookSource USA