LEADER 00000cz 2200000n 4500 001 n 98073395 003 DLC 005 20031120190054.0 008 980814n| acannaab |a aaa 010 n 98073395 040 DLC|cDLC 100 1 Duncan, James R. 400 1 Duncan, James Ralph 670 Biology and conservation of owls of the Northern Hemisphere, 1997:|bt.p. (James R. Duncan; zoologist, Manitoba Conservation Data Centre, Wildlife Branch, Manitoba Dept. of Natural Resources) 670 Owls of the world, c2003:|bt.p. (Dr. James R. Duncan) Can CIP (Duncan, James Ralph, 1960-)