1. The morphology and cytology of sporogenesis of Trichomanes proliferum Bl;Bell;New Phytol.,1960
2. A new type of apogamy in ferns;Braithwaite;New Phytol.,1964
3. The cytology of some Hymenophyllaceae from the Solomon Islands;Braithwaite;Br. Fern Gaz.,1969
4. Introductory note to cytotaxonomic studies of New Zealand ferns;Brownlie;Trans. R. Soc. N.Z.,1954
5. Chromosome numbers in New Zealand ferns;Brownlie;Trans. R. Soc. N.Z.,1958