Manual of observation and participation /
by Alonzo F. Myers and Edith E. Beechel.
Myers, A. Franklin., Beechel, E. Emma. (1926). Manual of observation and participation. New York: American Book Co..
Myers, Alonzo Franklin, 1893-, and Edith Emma Beechel. Manual of Observation And Participation. New York: American Book Co., 1926.
Warning: These citations may not always be complete (especially for serials).