brooding, feeding, and marketing methods

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Filmography in the catalog

Credited on 1 film (1944) — matched by name in the Creator or Credits field.

Year ▲	Title	Creator	Length	Format	Color	Sound
1944	Ducks for market: Peking, Muscovy,	Runner, and Mallard; brooding, feeding, and marketing methods; operation of on the large Long Island duck farm. (13 min- How to utes, silent) the 32, 41 mstrip, Duties of a Dental Technician 23; 15 U.S. Department of the Navy	13 min	16mm		Silent