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Fourth Annual International Egg Laying Contest
William Merrill Esten
Geoge Herbert Lamson
Charles Thom
Jerauld Armington Manter
Kenneth Jesse Matheson
Leo Frederick Rettger
Roy Edwin Jones
William Franklin Kirkpatrick
James Nimrod Currie
Leslie Ellsworth Card
出版
Storrs Agricultural Experiment Station
, 1914
URL
http://books.google.com.hk/books?id=3txPAQAAMAAJ&hl=&source=gbs_api