Rubuta ci gaba ga wannan sakin layi - A cikin 1920 Marshall ya fara yakin neman kudi don kiyayewa na kasa wanda zai hada da kiɗan Negro. A watan Afrilu na 1921 Conservancy ya samar da shirin don tara kuɗi wanda ya rufe lokutan "kiɗan baƙar fata da wasan kwaikwayo" a New York. Marshall ya koma bin tsarin kiyayewa na kasa a watan Afrilu na shekarar 1922, ya kira shugabannin da dama a cikin kiɗan baƙar fata kuma an shirya shirye-shiryen "kiɗan baƙar fata da wasan kwaikwayo" a watan Mayu. An lissafa Walter Damrosch a matsayin wanda ya goyi bayan ra'ayin da aka yi na kasa. Wani dalibi na Conservancy ya biyo baya a watan Mayu. An taƙaita girmamawa da girmamawa ga kiɗa na Negro ciki har da aikin Marshall a 1922. Marshall yana gab da samun wani abu don kiyayewa na kasa da aka kafa a New York a watan Mayu na 1924, amma a maimakon haka ta tafi Haiti tare da aikin mijinta, ta yi tafiya ta ɗan gajeren lokaci a watan Agusta, yayin da aka nada shi zuwa kwamiti don bincika cin zarafi a lokacin da Amurka ta mamaye Haiti
Ka yi haƙuri. Sun dawo a watan Fabrairun 1927. A shekara ta 1934 an sake amincewa da Marshall a matsayin darektan Conservancy.