Centenário de Alberto Souza : 1880-1980 / [introd. Maria Teresa Gomes Ferreira e José Aleixo Sommer Ribeiro]; Fundação Calouste Gulbenkian
Jesús Mª Cormán : Celsius vs. Richter / Alicia Fernández; Galeria Almirante
Kenneth Noland : Pinturas [1958-1990] Enero-Febrero 1991 / Afinsa-Lagasca e Afinsa-Almirante
Willem de Kooning : printer's proofs from the collection of Irwin Hollander, master printer / Lanier Graham with contributions by Barry Walker and Dan Budnik