H. A. Hanson

Union Pacific, Dining Car Dinner Menu, October 28, 1948

Dining Cars, Union Pacific, H. A. Hanson, 1948 .

Aerial Surveys of Waterbirds in Alaska 1957-94: Population Trends and Observer Variability,

H. A. Hanson, J. I. Hodges, J. King, 1996 .