1. Systema Algarum;Agardh,1824
2. Systema Algarum;Agardh,1824
3. Cultural studies of Bangia atropurpurea (Roth) Ag.;Belcher;New Phytol.,1960
4. Contributions to our knowledge of the history of Porphyra umbilicalis;Conway,1964
5. Juvenile stages of the genus Porphyra;Conway,1965