ジェームス・ベッドフォード
Vocational interests of high-school students. University of California School of education, Division of vocational education. (1930)
Youth and the world's work: Vocational adjustment of youth in the modern world. Society for Occupational Research. (1938)
Vocational interests of secondary school students. Society for Occupational Research, University of California Station. (1938)
Occupational exploration: A guide to personal and occupational adjustment.