2022-07-252022-07-251991~1991https://doi.org/10.31096/WUA9999-WP_2363_box_15https://hdl.handle.net/10177/26115ColorEducational use is permitted without permission. Permission is required for additional uses. See http://library.willamette.edu/external/commons/conditions_of_use/ for more information.http://rightsstatements.org/vocab/InC-EDU/1.0/Image