Natural incubation - Elford, F. C. (Frederic C.), 1871-1946.; Dominion Experimental Farms and Stations (Canada) (Ottawa : Dept. of Agriculture, 1919)
Original issued in series: Exhibition circular / Dominion Experimental Farms and Stations (Canada) ; no. 1.
Caption title.
At head of title: Dominion of Canada. Dept. of Agriculture. Experimental Farms ... Poultry Division.
"Published by authority of Hon. Martin Burrell, Minister of Agriculture, Ottawa, Ont."--p. 4.
Electronic reproduction.
Mode of access: Internet.
Keywords: Oeufs -- Incubation; Couvoirs; Poultry -- Hatcheries; Eggs -- Incubation