Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 1-55

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 56-81

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 82-161

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 162-172

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 173-181

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 182

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 239-329

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 330-335

Published in Gardens' Bulletin, Straits Settlements, in 1939, in volume 10, pages 336-386

Published in Gardens' Bulletin Straits Settlements, in 1939, in volume 10, issue 2, pages 183-238