The constant and variable occupations of the United States in 1920
By: by R.H. Ojemann
Series: [University of Illinois] College of education. Bureau of educational research. Bulletin -- no. 35; University of Illinois bulletin -- vol. XXIV, no. 39; University of Illinois bulletin -- v.24, no.39.
Publisher: University of Illinois
Published: 1927
Place of publication: Urbana
Language: eng
Number of pages: 47
Subjects: Vocational education; Occupations
Notes: On cover: University of Illinois bulletin. vol. XXIV, no. 39.

"The study reported in this bulletin is a repetition and an elaboration of an earlier one by Leonard P. Ayres."--Pref.