Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 4, issue 5, pages 375-407

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 4, issue 5, pages 408-410

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 4, issue 5, pages 411-414

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 4, issue 5, pages 415-416

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 4, issue 5, pages 416-419

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 4, issue 5, pages 419-420

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 4, issue 5, pages 421-425

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 6, issue 1, pages 1-154

Published in Gardens' Bulletin, Straits Settlements, in 1929, in volume 6, issue 1, pages 155-164