Some of her best known works included the play "La eterna Eva y el Insoportable Adán" (The Eternal Eve and the Unbearable Adam) and prose entitled "Pajaritas de Papel" (Paper Birds).

[1] Other works and poetry penned by Quidiello include "Desde mi orilla", "Decires poéticos", “El Peregrino o la Capa Tornasolada", and "Alguien espera junto al puente.

[3] Quidiello condemned the 2009 Honduran coup d'état, citing parallels she saw between events in Honduras and the 1963 ouster of Bosch in the Dominican Republic.

[1] Carmen Quidiello died of natural causes at the age of 105 at her residence on Calle Paseo de Los Locutores in Santo Domingo on December 19, 2020.

[1][3] President Luis Abinader declared December 21, 2020, as a national day of mourning and ordered that flags be flown at half-staff in Quidiello's honor.