La revista del Vigía (Vigia Magazine) Año. 12. Número. 23-24; front cover
RAREO; N 7433.4 .E3 R48; The University of Michigan Special Collections Library
Each no. issued in a limited ed. of 200 copies; all issues are handmade and reproduced on recycled paper and include a variety of materials: cloth, string, pieces of wood veneer, coarse white and brown paper; includes movable and removable parts, and constructions.