Michael Haberlandt: Die Eingeborenen der Kapsulan-Ebene von Formosa. In: Mittheilungen der Anthropologischen Gesellschaft 24 (1894) (Wien: Köhler & Hamburger 1894) 184-193.
- Digitized: Internet Archive (article starts on p. 184 [p. 413 of digitized object] )
- Entry in Wiener China-Bibliographie (referring to off-print)
Kapsulan 蛤仔難/甲子蘭 Plain or Komalan 噶瑪蘭 Plain are previous names for the Yilan Plain 宜蘭平原 in Northeastern Taiwan. „Kapsulan“ and „Komalan“ are derived from the Kavalan 噶瑪蘭族, an indigenous people of Taiwan.