1882 W. Sharp 447 Profile study of a girl's head.
1912 at Legros, Alphonse The present writer has a profile study in oils and two etchings.
1959 Feb. 84/1 An initial profile-study gives some biographical facts.
1997 D. E. Osterbrock vi. 155 Struve seems to have done all the measurements, identifications, analysis, and profile studies.