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9 Archival Material 1 Artifact 328 Book 11 Book Chapter 3 Conference Proceeding 179 Correspondence 6 Image 281 Journal 2842 Journal Article 1000 Manuscript 47 Map 127 Newspaper 17 Newspaper Article 19 Photograph 1 Review

Collocalia esculenta
Index to British Colonial Office files pertaining to British Malaya, Volume 9. CO 273 (1920-1946): File list and index
Fruits of the Malay Peninsula-Continued
The Timbers of the Malay Peninsula
Foreword
Proposed Use of the Plenary Powers to Designate a Type Species in Harmony with Generally Accepted Usage for the Genus Ptychopyge Angelin, 1854 (Class Trilobita)
Brucea Sumatrana (Plate II)
Hydrographic Results of the Siboga-Expedition
Document 25/1—Problems Involved in the Stabilisation of the Names for Orders, Classes and Taxa of Higher Rank
Sago
Freshwater environments
International Code of Zoological Nomenclature Third Edition adopted by the XX General Assembly of the International Union of Biological Sciences
International Code of Zoological Nomeclature
Proposed Addition to the Official Index of Rejected and Invalid Works in Zoological Nomenclature of the Title of the German Translation by Martini (F.H.W.) Published in 1767 Under the Title Kurze Abhandlung von den Conchylien of the Work by Geoffroy (E.L.) Published in the Same Year Under the Title Traite Sommaire des Coquilles
Notices Prescribed by the International Congress of Zoology: Date of Commencement by the International Commission on Zoological Nomenclature of Voting on Applications Published in the Bulletin of Zoological Nomenclature
Notices Prescribed by the International Congress of Zoology: Date of Commencement by the International Commission on Zoological Nomenclature of Voting on Applications Published in the Bulletin of Zoological Nomenclature
Proposed Adoption of a Declaration Clarifying and Extending the Provisions of the "Code of Ethics"
International Code of Zoological Nomeclature adopted by the XV International Congress of Zoology
Hymenoptera Orientalis; or Contributions to a Knowledge of the Hymenoptera of the Indian Zoological Region
Singapore Free Press and Mercantile Advertiser 25 October 1899
Singapore Free Press and Mercantile Advertiser 26 October 1899
Singapore Free Press and Mercantile Advertiser 23 November 1899
Singapore Free Press and Mercantile Advertiser 21 October 1899
Singapore Free Press and Mercantile Advertiser 24 October 1899
Document 2/1—Origin of the Present Investigation. Note by the Secretary to the International Commission on Zoological Nomenclature