Laidlaw, F. F. (1957). Notes on the collection of Land-Mollusca made by Dr. E. Jacobson on the islands of Simalur and Babi in 1913, with descriptions of new species and races. Zoologische Mededelingen. 35(10): 125-138.
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Laidlaw, F. F.
1957
Notes on the collection of Land-Mollusca made by Dr. E. Jacobson on the islands of Simalur and Babi in 1913, with descriptions of new species and races.