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Filmography in the catalog

Credited on 1 film (1950) — matched by name in the Creator or Credits field.

Year ▲	Title	Creator	Length	Format	Color	Sound
1950	V. S. Government	UNLESS otherwise indicated the sets of slides listed a catalog are black-and-white slides. Color slides are s Each set of slides is described as follows: (a) the ti name of the producing agency and the date of productio title if the slides are part of a series; content of the slides; (e) references number of the set of slides if it has such a number, t in the set, the size of the slides, and special notati Following these descriptive data are several numbers i These code numbers refer to specific instructions for slides which are explained on pages 306-329 of this ca to obtain the first set of slides listed below, for ex where under code number 27, directions are given for b slides from the U. S. Public Health Service. Activated Sludge Process U.S. Public Health Service		Filmstrip