Macnab, James A. (January 1958). "Biotic Aspection in the Coast Range Mountains of Northwestern Oregon". Ecological Monographs. 28 (1). Ecological Monographs, Vol. 28, No. 1: 21–54. doi:10.2307/1942274. JSTOR1942274.
Macnab, James A. (January 1958). "Biotic Aspection in the Coast Range Mountains of Northwestern Oregon". Ecological Monographs. 28 (1). Ecological Monographs, Vol. 28, No. 1: 21–54. doi:10.2307/1942274. JSTOR1942274.