THE SIXTH INTERNATIONAL 
SIEBOLD COLLECTION CONFERENCE 
National Museum of Ethnology, Leiden, the Netherlands 
October 17-19 2012 
Organizing Committee 
Prof.dr Matthi Forrer (National Museum of Ethnology, Leiden) 
Prof. Dr. Hideaki Ohba (The University of Tokyo) 
Prof. Dr. Tokuhei Tagai (The University of Tokyo) 
Drs. Kris Schiermeier (Director, SieboldHuis, Leiden) 
Secretary 
Prof. Dr. Tokuhei Tagai, Mrs. Akiko Mikouchi (The University of Tokyo) 
Mrs. Kuniko Numata (SieboldHuis, Leiden) 
Program 
17-Oct Location: Japanmuseum SieboldHuis, Leiden
15:00 Registration and Viewing the Japanmuseum SieboldHuis 
17:00 – 18:30  Reception 
Welcome Drs. Kris Schiermeier, Director SieboldHuis
Opening Drs. Stijn Schoonderwoerd, Executive director Rijksmuseum voor Volkenkunde 
19:00-- Dinner at De Avonden, Choorlammersteeg, Leiden 
18-Oct Location: National Museum of Ethnology, Leiden (Office building) 
Chair : Dr. R. Effert 
10:00 - 10:45 H. Beukers
Sieboldfs and Takano Chōeifs activities in the field of materia medica 
10:45 – 11:15 Coffee Break
11:15 – 11:45 M. van Oijen
The species descriptions, including remarks, of Fishes and Crustaceans by Heinrich Bürger
11:45 – 12:30 M. Forrer
Keigafs paintings commissioned by Siebold 
12:30 Lunch 
Chair : Mrs. A. Mikouchi 
14:00 – 14:45 J. Kobayashi
Images on Japan appeared on American illustrated newspapers in the 1850s: its engraving and Kawahara Keiga's original paintings 
14:45 – 15:30 T. Tagai, A. Mikouchi, R. Mathias
Characteristic features of Hoffmannfs list of the Siebold mineral collection 
15:30 - 16:00 Coffee Break 
16:00 – 16:45 S. Akiyama, H.-J. Esser, H. Ohba, G. Thijsse
Scholars and collaborators studying Siebold's botanical collections 
16:45 – 17:30 A. Mettenleiter
Sieboldfs youth at Würzburg
18:15 Dinner at Surakarta, Noordeinde (Optional)
19-Oct Location: the National Museum of Ethnology, Leiden (Pavilion)
Chair : Prof. Dr. W. Boot 
10:00 - 10:30 H. Ohba & M. Forrer
The conclusions of Siebold Conference I 
10:30 - 12:30 Open discussion: The presentation at the SieboldHuis - Which insights have later Siebold 
11:00 - 11:15 Coffee Break 
12:30 Lunch 
14:00 - 14:45 K. Schiermeier
Japan Museum SieboldHuis, present and future 
14:45 Open discussion: How do we see the role of the Sieboldhuis? 
16:00 H. Ohba, M. Forrer & K. Schiermeier
Concluding Remarks