Mezue ahịrịokwu na-esonụ: A na-eji ụrọ, nkume na osisi akpụ Grøn, a na-ejikwa ihe ndị e ji kpaa ihe na ọla dị iche iche akpụ ya. Ọrụ mbụ ya bụ nke ezi uche dị na ya ma ọ gbalịsiri ike maka izu oke, mana onye Romanian modernist Constantin Brâncuși metụtara ya, nke mere ka ọ gbanwee gaa n'ụdị ndị ọzọ. N'afọ 1960, ọ rụchara ihe oyiyi nke General José Dolores Estrada maka Nicaraguan Association of Writers and Artists. A maara ya maka ihe ọkpụkpụ ya nke Rubén Darío, ma gosipụta ndị mmadụ dịka Josefa Toledo de Aguerri, Pablo Antonio Cuadra, na ndị ọzọ. E guzobere ihe oyiyi Darío nke 1958 n'otu ogige ntụrụndụ dị na Miami, Florida na 1961. N'otu afọ ahụ, Grøn wapụtara isi okwute nke Darío yi uwe Carthusian, na-akpọ ya "La Cartuja", na-ezo aka n'ọrụ onye na-ede uri na 1913 n'otu isiokwu ahụ. N'afọ 1962, iji cheta afọ 350 nke nnupụisi nke ndị obodo ahụ megide onye mmeri Spain bụ Gil González Dávila, Grøn kpụrụ ihe oyiyi nke Cacique Diriangén iji gosipụta obi ike na nguzogide ya. N'afọ 1964, o jiri nkume marble ọcha nke Guatemala kpụọ ihe oyiyi nke Darío, nke ghọworo ihe oyiyi mara mma nke onye na-ede uri. N'afọ ndị 1970, Grøn malitere ọrịa kansa n'ọnụ ma gaa na MD Anderson Cancer Center na Houston maka ọgwụgwọ kemịkal. Ọ malitere ikpu ìsì na 1981 ma a manyere ya ịgbanwe gaa na eserese na ọrụ inlay na osisi. Offọdụ n'ime ihe osise ya a kacha mara amara gụnyere: "Muchacha en la hamaca" ("Nwata nwanyị nọ n'ụgbọ mmiri"), "Cándida", "Desnudo" ("Na-agba ọtọ"), na "Llanto después del desastre" ("Anya mmiri mgbe ọdachi ahụ gasịrị"), nke bụ ntụnye aka na
Ala ọma jijiji e nwere na Nicaragua n'afọ 1972.