Goldfarb, Nathan. An introduction to longitudinal statistical analysis : the method of repeated observations from a fixed sample / Nathan Goldfarb - Glencoe ; Ill. : Free Press, c1960. - xiii, 220 p. : illus. ; 22 cm. Includes Bibliography and index. Subjects--Topical Terms: Statistics. Dewey Class. No.: 519.5 / GOI 1960