TY - GEN AU - Beck, Bessie Dunn, 1891- TI - A study of changing social attitudes in the American institutes of Bolivia U1 - 303.33 PY - 1935/// CY - Chicago PB - B.D. Beck KW - American Institutes (Bolivia) KW - Actitud (Psicología) KW - Psicología social N1 - Tesis (Ph.D.)-- University of Chicago, 1935 ER -