Throughout the 1950s Moita also taught at the Faculty of Arts of the
University of Lisbon and took a course to become a Museum Conservator. In 1958 she joined the
Museum of Lisbon network of six museums, becoming Chief Conservator from 1970 to 1994. She became a specialist in Olisipography, the study of writings connected with Lisbon, notably regarding the city's historical and urban development. She became particularly interested in the Portuguese
caricaturist and owner of a ceramics factory,
Rafael Bordalo Pinheiro, and published many articles on him and the characters of his time. She also curated many exhibitions, including on the Cult of
St. Anthony in Lisbon; the
Marquis of Pombal, held on the bicentenary of his death; Fifteenth Century Lisbon – The image and life in the city, an exhibition about the people of Lisbon, their environment, ways of life, entertainment and mentality;
Azulejo tiles of Lisbon;
Faiences of Rafael Bordalo Pinheiro; and the water supply in the time of
D. João V. In addition to the exhibition catalogues, her work included the coordination of
O Livro de Lisboa (The Book of Lisbon), prepared for Lisbon's
Expo '98, to which she also contributed two articles. ==Later life==