Alaska bird trails : adventures of an expedition by dog sled to the delta of the Yukon River at Hooper Bay / by Herbert Brandt ; illustrated with paintings by Major Allan Brooks and Edward R. Kalmbach ; with photographs by Frank Dufresne, Olaus J. Murie, and the author, and with pen sketches by C.G. Mitchell, J.R. Moodey, and L.B. Towle.