H. C. SiebersFrom Wikipedia, the free encyclopedia Hendrik Cornelis Siebers (January 6, 1890 – October 8, 1949) was a Dutch ornithologist who worked mainly in the Dutch East Indies, now part of Indonesia.
Hendrik Cornelis Siebers (January 6, 1890 – October 8, 1949) was a Dutch ornithologist who worked mainly in the Dutch East Indies, now part of Indonesia.